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1 Traffic Measurement DN9813827 Issue 11 en 25/03/2008 # Nokia Siemens Networks 1 (339) BSC3153 Nokia GSM/EDGE BSS, Rel. BSS13, BSC and TCSM, Rel. S13, Product Documentation, v.1

Transcript of NED Traffic Meas

Page 1: NED Traffic Meas

1 Traffic Measurement

DN9813827Issue 11 en25/03/2008

# Nokia Siemens Networks 1 (339)

BSC3153Nokia GSM/EDGE BSS, Rel. BSS13, BSC andTCSM, Rel. S13, Product Documentation, v.1

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The information in this document is subject to change without notice and describes only theproduct defined in the introduction of this documentation. This documentation is intended for theuse of Nokia Siemens Networks customers only for the purposes of the agreement under whichthe document is submitted, and no part of it may be used, reproduced, modified or transmitted inany form or means without the prior written permission of Nokia Siemens Networks. Thedocumentation has been prepared to be used by professional and properly trained personnel,and the customer assumes full responsibility when using it. Nokia Siemens Networks welcomescustomer comments as part of the process of continuous development and improvement of thedocumentation.

The information or statements given in this documentation concerning the suitability, capacity, orperformance of the mentioned hardware or software products are given “as is” and all liabilityarising in connection with such hardware or software products shall be defined conclusively andfinally in a separate agreement between Nokia Siemens Networks and the customer. However,Nokia Siemens Networks has made all reasonable efforts to ensure that the instructionscontained in the document are adequate and free of material errors and omissions. NokiaSiemens Networks will, if deemed necessary by Nokia Siemens Networks, explain issues whichmay not be covered by the document.

Nokia Siemens Networks will correct errors in this documentation as soon as possible. IN NOEVENT WILL NOKIA SIEMENS NETWORKS BE LIABLE FOR ERRORS IN THISDOCUMENTATION OR FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO SPECIAL,DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL OR ANY LOSSES, SUCH AS BUTNOT LIMITED TO LOSS OF PROFIT, REVENUE, BUSINESS INTERRUPTION, BUSINESSOPPORTUNITY OR DATA, THAT MAYARISE FROM THE USE OF THIS DOCUMENT OR THEINFORMATION IN IT.

This documentation and the product it describes are considered protected by copyrights andother intellectual property rights according to the applicable laws.

The wave logo is a trademark of Nokia Siemens Networks Oy. Nokia is a registered trademark ofNokia Corporation. Siemens is a registered trademark of Siemens AG.

Other product names mentioned in this document may be trademarks of their respective owners,and they are mentioned for identification purposes only.

Copyright © Nokia Siemens Networks 2008. All rights reserved.

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Contents

Contents 3

List of tables 9

List of figures 10

Summary of changes 15

1 1 Traffic Measurement 17

2 Counters of Traffic Measurement 312.1 001000 / SEIZURE ATTEMPTS 312.2 001001 / SEIZURE ATTEMPTS WITH BUSY SDCCH 322.3 001002 / TRANSACTIONS FAIL DUE TO BSS FAIL 322.4 001003 / TRANSACTIONS FAIL DUE TO RADIO FAIL 332.5 001004 / TRANSACTIONS FAIL DUE RADIO ON SOURCE CHANNEL

DURING HO 342.6 001005 / TRANSACTIONS FAIL DUE RADIO ON TARGET

CHANNEL 352.7 001006 / SUCCESS SEIZURE FOR HO 362.8 001007 / SUCCESS SEIZURE FOR IMMEDIATE ASSIGNMENT 372.9 001008 / SUCCESS TCH SEIZURE FOR HO 372.10 001009 / SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT 382.11 001010 / TCH REQUEST SUCCESS AND UNSUCCESS 392.12 001011 / TCH REQUEST REJECTED DUE TO LACK 402.13 001012 / TRANSACTIONS ENDED DUE TO BSS PROBLEM 412.14 001013 / TRANSACTIONS ENDED DUE RADIO FAIL 422.15 001014 / TRANSACTIONS ENDED DUE SOURCE CHANNEL FAIL

DURING HO 432.16 001015 / TRANSACTIONS ENDED DUE TARGET CHANNEL FAIL 442.17 001016 / CALL ATTEMPTS IN THE QUEUE 452.18 001017 / HANDOVER ATTEMPTS IN THE QUEUE 452.19 001018 / AVE QUEUE LENGTH FOR CHANNEL SEIZURE

REQUEST 462.20 001019 / QUEUE DENOMINATOR 1 472.21 001020 / AVE QUEUE TIME OF CALL ATTEMPTS 482.22 001021 / QUEUE DENOMINATOR 2 492.23 001022 / AVE QUEUE TIME OF HO ATTEMPTS 492.24 001023 / QUEUE DENOMINATOR 3 502.25 001024 / NOT SERVED QUEUED CALL ATTEMPTS 512.26 001025 / NOT SERVED QUEUED HO ATTEMPTS 522.27 001026 / TCH CALL REQ 532.28 001027 / SDCCH ACT FAIL 542.29 001028 / TCH ACT FAIL 552.30 001029 / TCH TR FAIL 562.31 001030 / TCH TR FAIL SOURCE 562.32 001031 / TCH TR FAIL TARGET 572.33 001032 / NOT RELEVANT 58

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2.34 001033 / SDCCH ABIS PROBL 592.35 001034 / SDCCH A IF PROBL 602.36 001035 / SDCCH LAPD FAIL 602.37 001036 / SDCCH BTS FAIL 612.38 001037 / SDCCH USER ACT 622.39 001038 / SDCCH BCSU RESET 632.40 001039 / SDCCH NETW ACT 632.41 001040 / TRUNK RES INVOC 642.42 001041 / SUCC TRUNK RES INVOC 652.43 001042 / TRUNK RES INVOC RES REFUSED 662.44 001043 / TCH REQ FACCH CALLSET 662.45 001044 / TCH SEIZ FACCH CALL SET 672.46 001045 / TCH ABIS PROBL 682.47 001046 / TCH LAPD FAIL 692.48 001047 / TCH BTS FAIL 702.49 001048 / TCH USER ACT 712.50 001049 / TCH BCSU RESET 712.51 001050 / TCH NETW ACT 722.52 001051 / TCH A IF PROBL 732.53 001052 / TRHO REQ 742.54 001053 / TRHO ENQUIRIES 742.55 001054 / FOR REL ASSIGN REQ ATT 752.56 001055 / FOR HO ASSIGN REQ ATT 762.57 001056 / QUE ALL ASSIGN REQ ATT 772.58 001057 / QUE NALL ASSIGN REQ ATT 782.59 001058 / FOR REL ASSIGN REQ FAIL 792.60 001059 / FOR HO ASSIGN REQ FAIL 802.61 001060 / QUE ALL ASSIGN REQ FAIL 812.62 001061 / QUE NALL ASSIGN REQ FAIL 812.63 001062 / FOR REL HO REQ ATT 822.64 001063 / FOR HO HO REQ ATT 832.65 001064 / QUE ALL HO REQ ATT 842.66 001065 / QUE NALL HO REQ ATT 852.67 001066 / FOR REL HO REQ FAIL 862.68 001067 / FOR HO HO REQ FAIL 872.69 001068 / QUE ALL HO REQ FAIL 882.70 001069 / QUE NALL HO REQ FAIL 882.71 001070 / FORCED RELEASES 892.72 001071 / FORCED HANDOVERS 902.73 001072 / SDCCH ACT FAIL CALL 912.74 001073 / NOT RELEVANT 922.75 001074 / SDCCH ACT FAIL TARGET 922.76 001075 / SDCCH ABIS FAIL CALL 932.77 001076 / SDCCH ABIS FAIL SOURCE 942.78 001077 / SDCCH ABIS FAIL TARGET 952.79 001078 / SDCCH A IF FAIL CALL 962.80 001079 / SDCCH A IF FAIL SOURCE 972.81 001080 / SDCCH A IF FAIL TARGET 972.82 001081 / TCH ACT FAIL CALL 982.83 001082 / NOT RELEVANT 992.84 001083 / TCH ACT FAIL TARGET 1002.85 001084 / TCH ABIS FAIL CALL 101

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2.86 001085 / TCH ABIS FAIL SOURCE 1022.87 001086 / TCH ABIS FAIL NEW 1022.88 001087 / TCH A IF FAIL CALL 1032.89 001088 / TCH A IF FAIL SOURCE 1042.90 001089 / TCH A IF FAIL NEW 1052.91 001090 / TCH REQ UND OVER 1062.92 001091 / TCH SEIZ UND OVER 1072.93 001092 / TCH REJ REQ UND OVE 1072.94 001093 / SUCC MOC TEST CALL 1082.95 001094 / FAIL MOC TEST CALL 1092.96 001095 / PRI SUBSCR TCH REQ 1102.97 001096 / PRI SUBSCR SUCC TCH SEIZ 1112.98 001097 / NO PRI SUBSCR REFUSED TCH REQ 1112.99 001098 / TCH SEIZ ATT DUE SDCCH CON 1122.100 001099 / TCH SEIZ DUE SDCCH CON 1132.101 001100 / TRUNK TCH REJECTED FR REQ 1142.102 001101 / TRUNK TCH REJECTED HR REQ 1152.103 001102 / FULL TCH REQ SUCC UNSUCC 1162.104 001103 / HALF TCH REQ SUCC UNSUCC 1172.105 001104 / TCH REQ FULL PREFERRED 1182.106 001105 / TCH REQ HALF PREFERRED 1202.107 001106 / SUCC FULL TCH SEIZ 1212.108 001107 / SUCC HALF TCH SEIZ 1222.109 001108 / FULL TCH SEIZ SPEECH VER 1 1232.110 001109 / FULL TCH SEIZ SPEECH VER 2 1242.111 001110 / FULL TCH SEIZ SPEECH VER 3 1252.112 001111 / HALF TCH SEIZ SPEECH VER 1 1262.113 001112 / HALF TCH SEIZ SPEECH VER 2 1272.114 001113 / HALF TCH SEIZ SPEECH VER 3 1282.115 001114 / FULL TCH SEIZ NORM ASSIGNMENT 1292.116 001115 / HALF TCH SEIZ NORM ASSIGNMENT 1292.117 001116 / FULL TCH SEIZ INT HO CH RATE 1302.118 001117 / HALF TCH SEIZ INT HO CH RATE 1312.119 001118 / REJ TCH REQ DUE LACK FR 1322.120 001119 / REJ TCH REQ DUE LACK HR 1332.121 001120 / FULL TCH REJ DUE HR TRAF 1342.122 001121 / HALF TCH REJ DUE FR TRAF 1352.123 001122 / TCH REJ DUE REQ CH A IF CRC 1362.124 001123 / FULL TCH REQ FACCH CALL 1372.125 001124 / TCH FACCH CALL CH RATE NOT DEF 1382.126 001125 / SUCC FULL TCH SEIZ FACCH CALL 1392.127 001126 / SUCC HALF TCH SEIZ FACCH CALL 1402.128 001127 / ENDED DUE TRANSC FR RATE 1 1412.129 001128 / ENDED DUE TRANSC FR RATE 2 1412.130 001129 / ENDED DUE TRANSC FR RATE 3 1422.131 001130 / ENDED DUE TRANSC HR RATE 1 1432.132 001131 / ENDED DUE TRANSC HR RATE 2 1442.133 001132 / ENDED DUE TRANSC HR RATE 3 1452.134 001133 / FULL TCH TR FAIL 1452.135 001134 / HALF TCH TR FAIL 1462.136 001135 / SDCCH SEIZ ATT FOR MOC 1472.137 001136 / SDCCH SEIZ ATT FOR MTC 148

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2.138 001137 / TCH SEIZ ATT FOR MOC 1492.139 001138 / TCH SEIZ ATT FOR MTC 1512.140 001139 / TCH REL BECAUSE OF RADIO FAIL 1522.141 001140 / TCH REL DUE TO BSS FAIL 1522.142 001141 / TCH SEIZ FAILS DUE TO CONG 1532.143 001142 / QUEUED URGENT HANDOVER ATTEMPTS 1542.144 001143 / AVE QUE TIME OF URGENT HO ATTEMPTS 1552.145 001144 / QUE DENOMINATOR 4 1562.146 001145 / AVE QUE TIME OF NON URGENT HO ATTEMPTS 1572.147 001146 / QUE DENOMINATOR 5 1582.148 001147 / QUEUED URG HO ATTS NOT SERVED 1592.149 001148 / MS SUCC TCH SEIZURE FOR ASSIGNMENT

COMPLETE 1602.150 001149 / CALLS ENDED BY USER DURING DADL/B SETUP 1612.151 001150 / SUCC TCH SEIZ WHEN GOOD QUAL IN ADJACENTS 1622.152 001151 / TCH REQ REJ DUE TO BAD QUALITY IN ADJACENT 1632.153 001152 / SUCC TCH SEIZ WHEN QUAL BETW GOOD AND BAD IN

ADJACENT 1632.154 001153 / TCH REQ REJ WHEN QUAL BETW GOOD AND BAD IN

ADJACENT 1642.155 001154 / DYNAMIC SDCCH RECONFIGURATION ATTEMPT 1652.156 001155 / UNSUCC IMM ASS SDCCH ATTEMPT 1662.157 001156 / HSCSD TCH REQ WITH 14,4 1672.158 001157 / HSCSD SUCC TCH SEIZ WITH 14,4 1682.159 001158 / HSCSD TRANSP TCH REQ 1682.160 001159 / HSCSD SUCC TRANSP TCH SEIZ 1692.161 001160 / HSCSD REQ FOR CALL SETUP 1702.162 001161 / HSCSD TCH REQ FOR HO 1712.163 001162 / HSCSD SUCC TCH SEIZ FOR CALL SETUP 1722.164 001163 / HSCSD SUCC TCH SEIZ FOR HO 1732.165 001164 / HSCSD CON REL DUE TO FAIL 1742.166 001165 / SUCCESS TCH SEIZURE FOR DIRECT ACCESS 1742.167 001166 / TCH REQUEST FOR DIRECT ACCESS REJECTED DUE TO

LACK 1752.168 001167 / TCH REQUEST FOR A BSC CONTROLLED TRHO

PROCEDURE 1762.169 001168 / SUCC TCH SEIZ FOR A BSC CONTROLLED TRHO 1772.170 001169 / REJ TCH SEIZ FOR A BSC CONTROLLED TRHO DUE LACK

OF RESOURCES 1782.171 001170 / SUCCESSFUL TCH SEIZURES FOR DADLB HO 1792.172 001171 / TCH REQUEST IN DADLB HO REJECTED 1802.173 001172 / DADLB START DUE TO EXCEEDED LOAD 1802.174 001173 / REMOVAL FROM QUE DUE TO DR 1812.175 001174 / GPRS TER UPGRD REQ 1822.176 001175 / INCOMPL SERV GPRS TER UPGR REQ 1832.177 001176 / GPRS TER UG REJ DUE CSW TR 1842.178 001177 / GPRS TER UG REJ DUE LACK PSW RES 1842.179 001178 / GPRS TER UG REJ DUE LACK PCU CAP 1852.180 001179 / GPRS TER DG DUE INC IN CSW TR 1862.181 001180 / GPRS TER UG DUE DEC CSW TR 1872.182 001181 / GPRS TER DOWNGRADE REQ 1882.183 001182 / FULL TCH SEIZ INTRA AMR HO 188

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2.184 001183 / HALF TCH SEIZ INTRA AMR HO 1892.185 001184 / TCH CALL REQ FOR AMR 1902.186 001185 / SUCCESSFUL AMR CODEC SET DOWNGRADES 1912.187 001186 / UNSUCCESSFUL AMR CODEC SET DOWNGRADES 1922.188 001187 / SUCCESSFUL AMR CODEC SET UPGRADES 1932.189 001188 / UNSUCCESSFUL AMR CODEC SET UPGRADES 1942.190 001189 / TCH REQ FOR 96 DAT CALL 1952.191 001190 / SUCC TCH SEIZ FOR 96 DAT CALL 1952.192 001191 / SPARE001191 1962.193 001192 / TCH REQUESTS FOR CALL ATTEMPT 1972.194 001193 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT 1972.195 001194 / TCH ACCESS REJECTED DUE LOW RX 1982.196 001195 / MSC O HO CMD 1992.197 001196 / BSC O HO CMD 2002.198 001197 / BTS HO ASSGN 2002.199 001198 / TCH REL DUE TO RADIO FAIL PH 9-11 2012.200 001199 / TCH REL DUE TO BSS FAIL PH 2-3 2022.201 001200 / TCH REL DUE TO BSS FAIL PH 9-11 2032.202 001201 / SDCCH FAIL PH 3 2032.203 001202 / DROP AFTER TCH ASSIGN 2042.204 001203 / ERROR IND DURING LU 2052.205 001204 / DROP TCH ASSCOMPL TO RFCH REL 2062.206 001205 / TCH REL DUE RAD FAIL PH 2-3 2082.207 001206 / TCH REL DUE RAD FAIL PH 12-14 2092.208 001207 / TCH REL DUE BSS FAIL PH 12-14 2092.209 001208 / A IF CRC MISMATCH CALL SETUP 2102.210 001209 / GPRS TER DG REJ DUE STREAMING 2112.211 001210 / GPRS TER DG REQ WHEN EQOS ON 2122.212 001211 / TCH REL BSC BSC CONFLICT CALL 2122.213 001212 / TCH REL BSC BSC CONFLICT TARG 2132.214 001213 / GPRS TER UG REQ FROM CSW 2142.215 001214 / GPRS TER UG FROM CSW PARTIAL 2152.216 001215 / GPRS TER UG FROM CSW FAILED 2162.217 001216 / TCH REQ REJ DUE TO LACK OF RES PER BCSU 2162.218 001217 / INTERNAL TO EXTERNAL HO 2172.219 001218 / NOT CHANGED INTERNAL HO 2182.220 001219 / SPARE001219 2192.221 001220 / SPARE001220 2202.222 001221 / SPARE001221 2202.223 001222 / SPARE001222 2212.224 001223 / SPARE001223 2222.225 001224 / SPARE001224 2222.226 001225 / SPARE001225 2232.227 001226 / SPARE001226 2242.228 001227 / SPARE001227 2242.229 001228 / SPARE001228 2252.230 001229 / SPARE001229 2262.231 001230 / SPARE001230 2262.232 001231 / SDCCH LU ATTEMPTS 2272.233 001232 / SDCCH LU ATTEMPTS FAIL 2282.234 001233 / DROPS AFTER DTM CS TCH ASSIGNMENT 2292.235 001234 / DTM CS TCH DROPS BETWEEN ASSCOMPL AND RFCH REL

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ACK 2292.236 001235 / FORCED RELEASE AFTER FORCED HO 2302.237 001236 / CLASS 2 SUBSCRIBER FORCED RELEASE 2312.238 001237 / TCH REQUESTS FOR CALL ATTEMPT CLASS 1 2322.239 001238 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT CLASS

1 2332.240 001239 / TCH REQUESTS FOR CALL ATTEMPT CLASS 2 2342.241 001240 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT CLASS

2 2342.242 001241 / TCH REQUESTS FOR CALL ATTEMPT CLASS 3 2352.243 001242 / SUCCESSFUL TCH SEIZURES FOR CALL ATTEMPT CLASS

3 2362.244 001243 / DR TRAU DOWNGRADE ATTEMPTED IN AMR HO 2372.245 001244 / DR TRAU DOWNGRADE ATTEMPT FAILED 2382.246 001245 / DR TRAU UPGRADE ATTEMPTED IN AMR HO 2392.247 001246 / DR TRAU UPGRADE ATTEMPT FAILED 2392.248 001247 / SEIZURE IN AMR FR TO HR HO 2402.249 001248 / SEIZURE IN AMR HR TO FR HO 2412.250 001249 / INTERNAL AMR HO TO EXTERNAL 2422.251 001250 / SUCCESSFUL LRTCH SEIZURES 242

3 Signalling charts of Traffic Measurement 245

4 Signalling charts of Dual Transfer Mode 317

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List of tables

Table 1. Measurement description of Traffic Measurement 17

Table 2. SDCCH attempts counters 17

Table 3. SDCCH success counters 18

Table 4. SDCCH failure counters 18

Table 5. TCH requests and attempts counters 19

Table 6. TCH success counters 21

Table 7. TCH failure counters 22

Table 8. Other counters 25

Table 9. GPRS counters 26

Table 10. Spare counters 27

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Figure 1. Basic call without counters 246

Figure 2. Basic call with counters 247

Figure 3. Basic call with priority subscriber 248

Figure 4. FACCH call setup due to SDCCH congestion without counters 249

Figure 5. FACCH call setup due to SDCCH congestion with counters 250

Figure 6. FACCH call setup due to SDCCH congestion, no free TCH channel.Optional software directed retry is not activated 251

Figure 7. Normal release 252

Figure 8. Basic call, no free TCH and queuing or directed retry is not allowed 253

Figure 9. Successful TCH queuing 254

Figure 10. Basic call, no free TCHs, unsuccessful queuing and directed retry notactivated 255

Figure 11. TCH assignment failure with cause switch_circuit_pool, queuing anddirected retry not allowed 256

Figure 12. Unsuccessful TCH activation 257

Figure 13. Unsuccessful TCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message 258

Figure 14. TCH assignment failure 259

Figure 15. TCH assignment failure, MSC sends CLEAR_COMMAND message 260

Figure 16. CONNECTION_FAILURE message with cause transcoder_failure duringa call 261

Figure 17. TRX or TSL is blocked with different causes during a call 262

Figure 18. SDCCH congestion, FACCH call setup is not activated 263

Figure 19. Unsuccessful SDCCH activation 264

Figure 20. Unsuccessful SDCCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message 265

Figure 21. Connection failure during SDCCH assignment 266

Figure 22. SDCCH assignment failure 267

Figure 23. Unsuccessful SDCCH activation, timer expires while waiting forPHYSICAL_CONTEXT_CONFIRM message 268

Figure 24. TRX/TSL is blocked with different causes during an SDCCH channel

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activation 269

Figure 25. Successful trunk reservation. Counters updated: 001040, 001041 andbasic call counters, see Figure 2. 270

Figure 26. Unsuccessful trunk reservation 271

Figure 27. Successful internal intra-cell handover. Counters 001090 and 001091 areupdated only with underlay overlay handover. 272

Figure 28. Internal intra-cell HO, successful TCH queuing 273

Figure 29. Unsuccessful internal intra-cell handover, timer expires while waiting forCHANNEL_ACTIVATION_ACK message 275

Figure 30. Unsuccessful internal intra-cell handover, CONNECTION_FAILUREmessage with cause remote_transcoder_failure comes to the targetchannel 276

Figure 31. Unsuccessful internal intra-cell handover, timer expires on the sourcechannel, call cleared 277

Figure 32. Unsuccessful underlay overlay internal intra-cell handover, queuing notallowed 278

Figure 33. Internal intra-cell handover, unsuccessful TCH queuing 279

Figure 34. Internal directed retry 281

Figure 35. Successful internal inter-cell handover 282

Figure 36. Unsuccessful internal inter-cell handover 283

Figure 37. Successful external handover, target 284

Figure 38. Successful external handover, source 285

Figure 39. Unsuccessful external handover, source BSC, timer expires while waitingfor CLEAR_COMMAND message 286

Figure 40. Unsuccessful external handover, MS sends a handover failure 287

Figure 41. Successful traffic reason handover, source 288

Figure 42. Successful SDCCH internal intra-cell handover 289

Figure 43. Unsuccessful SDCCH internal intra-cell handover, timer expires whilewaiting for CHANNEL_ACTIVATION_ACK message 290

Figure 44. Unsuccessful SDCCH internal intra-cell handover, unsuccessful channelactivation 291

Figure 45. Unsuccessful SDCCH internal intra-cell handover,CONNECTION_FAILURE message comes to the target channel duringhandover 292

Figure 46. Successful SDCCH internal inter-cell handover 293

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Figure 47. Unsuccessful SDCCH internal inter-cell handover, BTS sendsCONNECTION_FAILURE message 294

Figure 48. Successful SDCCH external handover target 295

Figure 49. Successful SDCCH external handover source. No countersupdating. 295

Figure 50. Unsuccessful SDCCH external handover, timer expires while waiting forCLEAR_COMMAND message 296

Figure 51. Successful forced release 297

Figure 52. Unsuccessful forced release 298

Figure 53. Unsuccessful forced release with external handover 299

Figure 54. Successful forced handover 300

Figure 55. Unsuccessful forced handover 301

Figure 56. Unsuccessful forced handover with external handover 302

Figure 57. Reconfiguration from TCH to SDCCH 303

Figure 58. Normal call 304

Figure 59. Mobile originated HSCSD call setup 305

Figure 60. Successful internal inter-cell handover for HSCSD, target cell allocationsand activations for three channels 306

Figure 61. A CONNECTION_FAILURE message which comes during anHSCSD 307

Figure 62. Internal intra-cell direct access from a regular DCCH to the super-reuseTRX. Optional software direct access to super-reuse TRX in IUOactivated. 308

Figure 63. Unsuccessful internal intra-cell direct access from regular DCCH to thesuper-reuse TRX due to lack of resources. Optional software directaccess to super-reuse TRX in IUO activated. 309

Figure 64. Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage 310

Figure 65. Average counter updating 311

Figure 66. Successful handover due to DADL/B 311

Figure 67. Unsuccessful DADL/B handover due to lack of resources 312

Figure 68. Successful BSC controlled TRHO 312

Figure 69. Unsuccessful BSC controlled TRHO 313

Figure 70. Dropped call between ASSIGNMENT COMPLETE and

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DISCONNECT 314

Figure 71. Dropped call between ASSIGNMENT COMPLETE and RF CHANNELRELEASE ACK 315

Figure 72. MO DTM call establishment 318

Figure 73. MT DTM call establishment 319

Figure 74. DTM call reallocation; too high CS connection interference 320

Figure 75. DTM call reallocation; inadequate PS connection quality 321

Figure 76. DTM call; internal inter-cell handover; CS connection power budget 322

Figure 77. DTM call; internal inter-cell handover; lack of resources in the PSterritory 323

Figure 78. DTM call; external handover, source BSC 324

Figure 79. DTM call; external handover, target BSC 325

Figure 80. DTM call release initiated by the MS 326

Figure 81. DTM call release; packet data transfer end 327

Figure 82. DTM REQUEST rejected when IMSI data not available 328

Figure 83. Unsuccessful MO DTM; activation of a CS TCH in the PS territory fails,timer expires while waiting for CHANNEL ACTIVATION ACK 329

Figure 84. Unsuccessful MT DTM; activation of a CS TCH in the PS territory fails,timer expires while waiting for CHANNEL ACTIVATION ACK 330

Figure 85. Unsuccessful MT DTM; DTM ASSIGNMENT FAILURE received 331

Figure 86. Timer T3107 expires while waiting for ASSIGNMENT COMPLETE 332

Figure 87. DTM call reallocation failure; DTM ASSIGNMENT FAILURE received 333

Figure 88. DTM CS connection drops after ASSIGNMENT COMPLETE;CONNECTION FAILURE received 334

Figure 89. DTM CS connection drops after ASSIGNMENT COMPLETE; RELEASEINDICATION not received 335

Figure 90. Unsuccessful DTM call reallocation; timer T3107 expires while waiting forASSIGNMENT COMPLETE 336

Figure 91. DTM TBF assignment failure; UL RLC block not received 337

Figure 92. DTM-capable MS paging 338

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Summary of changes

Changes between document issues are cumulative. Therefore, the latestdocument issue contains all changes made to previous issues.

Changes made between issues 11-0 and 10-0

New counters 001235 - 001242 related to BSS20869: Market ExpansionToolkit added.

New counters 001243 - 001249 related to BSS20588: TRAU Bicasting inAMR FR/HR Handover added.

New counter 001250 related to BSS21274: Long Reach TSL (Flexi EDGEBTS) added.

Object level information updated in chapter 1.

Counter table format changed.

The signalling chart 'TCH assignment failure, MSC sendsCLEAR_COMMAND message' updated.

Signalling charts of Dual Transfer Mode updated. For detailed informationon the updates, see Summary of changes in 106 CS DTM Measurement.

Changes made between issues 10-0 and 9-1

New counters 001231 – 001234 added. Spare counters 001192, 001193,001217 and 001218 changed to real counters. Counters 001184, 001196,001198, 001199, and 001204 – 001207 modified.

Counters 001150 – 001153 changed to be no longer in use and signallingchart 66 removed because Dynamic Hot Spot is no longer supported.

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Counters 001209 and 001210 changed to be not in use becauseEnhanced Quality of Service is not supported in S12. Enhanced Quality ofService will be available in S13.

New signalling charts 70 and 71 added, and signalling charts 13, 15, 16,17, 27, 29, 34, 35, 38, 42, 46, and 64 updated in Chapter 3.

Signalling charts of Dual Transfer Mode,which contains some signallingcharts related to counters 001233 and 001234, has been added.

Editorial changes made.

Changes made between issues 9-1 and 9-0

Spare counter 001216 taken into use.

Signalling charts of Traffic Measurement counters 1086 and 1089 havebeen updated. Counter names of 1086 and 1089 have been updated.

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1 1 Traffic Measurement

The BSC traffic measurement registers information related to the standalone dedicated control channel (SDCCH) and traffic channels (TCH). TheBSC traffic measurement counters are divided into seven different classes.There are counters regarding the number of attempts to seize TCHs andSDCCHs, successful calls, lengths of the queue, and the reasons forfailures. This measurement collects one set of results for each BTS.Signalling charts are drawn with the accuracy of message interface.

Measurement description

Table 1. Measurement description of Traffic Measurement

Measurement

Measurement ID

Measurement abbreviation

Traffic Measurement

1

TRAFFIC

Product BSC

Product software release S1

Target name BTS

Measurement counters

. SDCCH attempts counters

Table 2. SDCCH attempts counters

Counter Counter number

Seizure attempts 001000

SDCCH seizure attempts for MOC 001135

SDCCH seizure attempts for MTC 001136

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Table 2. SDCCH attempts counters (cont.)

Counter Counter number

Dynamic SDCCH reconfiguration attempt 001154

SDCCH LU attempts 001231

. SDCCH success counters

Table 3. SDCCH success counters

Counter Counter number

Success seizure for HO 001006

Success seizure for immediate assignment 001007

. SDCCH failure counters

Table 4. SDCCH failure counters

Counter Counter number

Seizure attempts with busy SDCCH 001001

Transactions failed due to BSS failure 001002

Transactions failed due to radio failure 001003

Transact. failed due radio on source channel duringHO

001004

Transact. failed due radio on target channel duringHO

001005

SDCCH activation failure 001027

SDCCH Abis problems 001033

SDCCH A interface problems 001034

SDCCH LAPD failure 001035

SDCCH BTS failure 001036

SDCCH user actions 001037

SDCCH BCSU reset 001038

SDCCH network actions 001039

SDCCH activation failure call 001072

SDCCH activation failure target 001074

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Table 4. SDCCH failure counters (cont.)

Counter Counter number

SDCCH Abis failure call 001075

SDCCH Abis failure source 001076

SDCCH Abis failure target 001077

SDCCH A interface failure call 001078

SDCCH A interface failure source 001079

SDCCH A interface failure target 001080

Unsuccess immediate assignment SDCCH attempt 001155

SDCCH failures in phase 3 001201

Error indication messages during Location Update 001203

SDCCH LU attempts fail 001232

. TCH requests and attempts counters

Table 5. TCH requests and attempts counters

Counter Counter number

TCH request success and unsuccess 001010

Call attempts in the queue 001016

Handover attempts in the queue 001017

TCH call request 001026

Trunk reservation invocations 001040

TCH requests FACCH call setup 001043

Traffic reason HO requests 001052

Traffic reason HO enquiries 001053

Forced release assign request attempts 001054

Forced HO assign request attempts 001055

Queuing allowed assign request attempts 001056

Queuing not allowed assign request attempts 001057

Forced release HO request attempts 001062

Forced HO HO request attempts 001063

Queuing allowed HO request attempts 001064

Queuing not allowed HO request attempts 001065

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Table 5. TCH requests and attempts counters (cont.)

Counter Counter number

TCH requests underlay overlay 001090

TCH seizure underlay overlay 001091

Priority subscriber TCH requests 001095

TCH seizure attempt due SDCCH congestion 001098

Full TCH requests success unsuccess 001102

Half TCH requests success unsuccess 001103

TCH requests full preferred 001104

TCH requests half preferred 001105

Full TCH requests FACCH call 001123

TCH FACCH call channel rate not defined 001124

TCH seizure attempts for MOC 001137

TCH seizure attempts for MTC 001138

Queued urgent handover attempts 001142

TCH requests for 14.4k data calls 001156

HSCSD transparent TCH request 001158

HSCSD request for call setup 001160

HSCSD TCH request for HO 001161

TCH request for a BSC controlled TRHO procedure 001167

DADLB start due to exceeded load 001172

TCH requests for AMR call 001184

TCH requests for 9.6k data calls 001189

TCH requests for call attempt 001192

HO commands in outgoing MSC-controlled handover 001195

HO commands in outgoing BSC–controlled handover 001196

Assignment commands in intra-BTS handover 001197

TCH requests for call attempt class 1 001237

TCH requests for call attempt class 2 001239

TCH requests for call attempt class 3 001241

. TCH success counters

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Table 6. TCH success counters

Counter Counter number

Success TCH seizure for HO 001008

Success TCH seizure for normal assignment 001009

Success trunk reservation invocations 001041

TCH seizure FACCH call setup 001044

Forced releases 001070

Forced handovers 001071

Priority subscriber success TCH seizure 001096

TCH seizure due SDCCH congestion 001099

Success full TCH seizure 001106

Success half TCH seizure 001107

Full TCH seizure speech ver 1 001108

Full TCH seizure speech ver 2 001109

Full TCH seizure speech ver 3 001110

Half TCH seizure speech ver 1 001111

Half TCH seizure speech ver 2 001112

Half TCH seizure speech ver 3 001113

Full TCH seizure normal assignment 001114

Half TCH seizure normal assignment 001115

Full TCH seizure internal HO channel rate 001116

Half TCH seizure internal HO channel rate 001117

Success full TCH seizure FACCH call 001125

Success half TCH seizure FACCH call 001126

MS success TCH seizure for assignment complete 001148

Calls ended by user during DADL/B setup 001149

Success TCH seizure when good quality in adjacents 001150

Succ TCH seiz when qual betw good and bad in adj 001152

HSCSD success TCH seizure with 14.4 001157

HSCSD success transparent TCH seizure 001159

HSCSD success TCH seizure for call setup 001162

HSCSD success TCH seizure for HO 001163

Success TCH seizure for direct access 001165

Succ TCH seiz for a controlled TRHO 001168

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Table 6. TCH success counters (cont.)

Counter Counter number

Successful TCH seizures for DADLB HO 001170

Removal from queue due to DR 001173

Successful FR TCH seizures with AMR codecs forHO

001182

Successful HR TCH seizures with AMR codecs forHO

001183

Successful TCH seizures for call attempt 001193

Successful TCH seizures for call attempt class1 001238

Successful TCH seizures for call attempt class2 001240

Successful TCH seizures for call attempt class3 001242

Seizure in AMR FR to HR HO 001247

Seizure in AMR HR to FR HO 001248

Successful LRTCH seizures 001250

. TCH failure counters

Table 7. TCH failure counters

Counter Counter number

TCH request rejected due to lack 001011

Transactions ended due to BSS problem 001012

Transactions ended due to radio failure 001013

Transact. ended due source channel failure duringHO

001014

Transact. ended due target channel failure during HO 001015

Not served queued call attempts 001024

Not served queued HO attempts 001025

TCH activation failure 001028

TCH transcoder failure 001029

TCH transcoder failure source 001030

TCH transcoder failure target 001031

Trunk reservation invocations result refused 001042

TCH Abis problems 001045

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Table 7. TCH failure counters (cont.)

Counter Counter number

TCH LAPD failure 001046

TCH BTS failure 001047

TCH user actions 001048

TCH BCSU reset 001049

TCH network actions 001050

TCH A interface problems 001051

Forced release assign request failed 001058

Forced HO assign request failed 001059

Queuing allowed assign request failed 001060

Queuing not allowed assign request failed 001061

Forced release HO request failed 001066

Forced HO HO request failed 001067

Queuing allowed HO request failed 001068

Queuing not allowed HO request failed 001069

TCH activation failure call 001081

TCH activation failure target 001083

TCH Abis failure call 001084

TCH Abis failure source 001085

TCH Abis failure new 001086

TCH A interface failure call 001087

TCH A interface failure source 001088

TCH A interface failure new 001089

TCH rejected requests underlay overlay 001092

Non-priority subscriber refused TCH requests 001097

Trunk TCH rejected FR requests 001100

Trunk TCH rejected HR requests 001101

Rejected TCH requests due lack FR 001118

Rejected TCH requests due lack HR 001119

Full TCH rejected requests due HR traffic 001120

Half TCH rejected requests due FR traffic 001121

TCH rejected due requested channel A interfacecircuit

001122

Ended due transcoder FR rate 1 001127

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Table 7. TCH failure counters (cont.)

Counter Counter number

Ended due transcoder FR rate 2 001128

Ended due transcoder FR rate 3 001129

Ended due transcoder HR rate 1 001130

Ended due transcoder HR rate 2 001131

Ended due transcoder HR rate 3 001132

Full TCH transaction failures 001133

Half TCH transaction failures 001134

TCH release due to radio failure 001139

TCH release due to BSS failure 001140

TCH seizure failure due to congestion 001141

Queued urgent HO attempts not served 001147

TCH request rejected due to bad quality in adjacents 001151

TCH req rej when qual betw good and bad in adj 001153

HSCSD connection releases due to failure 001164

TCH request for direct access rejected due to lack 001166

Rej TCH seiz for BSC contr TRHO due lack of res 001169

TCH request in DADLB HO rejected 001171

TCH drop due to too low RX level 001194

TCH releases due to radio failures, updated inphases 9-11

001198

TCH releases due to BSS failures, updated in phases2-3

001199

TCH releases due to BSS failures, updated in phases9-11

001200

Dropped calls after TCH assignment 001202

Number of TCH drops between Assignment Completeand RF Channel Release messages

001204

Number of TCH releases due to radio failures,updated only in phases 2-3

001205

Number of TCH releases due to radio failures,updated only in phases 12-14

001206

Number of TCH releases due to BSS failures,updated only in phases 12-14

001207

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Table 7. TCH failure counters (cont.)

Counter Counter number

Number of TCH requests rejected due to themismatch between the types of the requestedchannel and the A interface circuit, updated only incall setup phase

001208

Number of TCH releases due to BSC-BSC conflict incall setup

001211

Number of TCH releases due to BSC-BSC conflict fortarget channel

001212

Number of TCH requests rejected due to lack ofresources per BCSU

001216

Drops after DTM CS TCH assignment 001233

DTM CS TCH drops between ASSCOMPL and RFCHREL ACK

001234

. Other counters

Table 8. Other counters

Counter Counter number

Average queue length for channel seizure request 001018

Queue denominator 1 001019

Average queue time of call attempts 001020

Queue denominator 2 001021

Average queue time of HO attempts 001022

Queue denominator 3 001023

Not relevant 001032

Not relevant 001073

Not relevant 001082

Successful MOC test call 001093

Unsuccessful MOC test call 001094

Average queuing time of urgent HO attempts 001143

Queue denominator 4 001144

Average queuing time of non-urgent HO attempts 001145

Queue denominator 5 001146

Successful AMR codec set downgrades 001185

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Table 8. Other counters (cont.)

Counter Counter number

Unsuccessful AMR codec set downgrades 001186

Successful AMR codec set upgrades 001187

Unsuccessful AMR codec set upgrades 001188

Internal to external HO 001217

Not changed internal HO 001218

Forced release after forced HO 001235

Class 2 subscriber forced release 001236

DR TRAU downgrade attempted in AMR HO 001243

DR TRAU downgrade attempt failed 001244

DR TRAU upgrade attempted in AMR HO 001245

DR TRAU upgrade attempt failed 001246

Internal AMR HO to external 001249

. GPRS counters

Table 9. GPRS counters

Counter Counter number

GPRS territory upgrade requests 001174

Incompletely served GPRS territory upgrade requests 001175

GPRS upgrade requests rejected due to CSW traffic 001176

GPRS upgrade requests rejected due to lack of PSW 001177

GPRS upgrade requests rejected due to to lack ofPCU

001178

GPRS downgrades due to increase in CSW traffic 001179

GPRS upgrades due to decrease in CSW traffic 001180

GPRS territory downgrade requests 001181

GPRS territory downgrade rejected due to streamingtraffic

001209

GPRS territory downgrade rejected due to need ofCS resources.

001210

Number of GPRS territory upgrade requestes fromCSW

001213

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Table 9. GPRS counters (cont.)

Counter Counter number

Number of GPRS territory upgrade requests fromCSW, partially successful

001214

Number of GPRS territory upgrade requests fromCSW, failed

011215

. Spare counters

Table 10. Spare counters

Counter Counter number

Spare001191 001191

Spare001219 001219

Spare001220 001220

Spare001221 001221

Spare001222 001222

Spare001223 001223

Spare001224 001224

Spare001225 001225

Spare001227 001227

Spare001228 001228

Spare001229 001229

Spare001230 001230

Related topics

. Counters of Traffic Measurement

. Signalling charts of Traffic Measurement

. Signalling charts of Dual Transfer Mode

Instructions

. BSC Statistics Administration

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For information on using this measurement to test the activation ofrelated software, see the testing instructions in:

. Activating and Testing BSS6071: EFR

. Activating and Testing BSS6115: Half Rate

. Activating and Testing BSS7003 and BSS7037: HSCSD and 14.4kbit/s Data Services

. Activating and Testing BSS7036: Dynamic SDCCH

. Activating and Testing BSS9006: GPRS

. Activating and Testing BSS10004: AMR

. Activating and Testing BSC3910: Pre-emption and BSS20869:Market Expansion Toolkit

. Activating and Testing BSS21274: Long Reach TSL (Flexi EDGEBTS)

Reference

. BSC Measurement Counters Displaying Program (FOXMEA)

. Performance Measurements

Descriptions

. Advanced Multilayer Handling

. Direct Access to Desired Layer/Band

. Directed Retry in BSC

. Dual Transfer Mode in BSC

. Dynamic Abis

. Dynamic Frequency and Channel Allocation in BSC

. Dynamic SDCCH in Radio Channel Allocation

. GPRS/EDGE System Feature Description

. Enhanced Coverage by Frequency Hopping

. Enhanced Speech Codecs: AMR and EFR

. Extended Cell Range

. FACCH Call Set-up

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. Half Rate in BSC

. Handover Support for Coverage Enhancements

. HSCSD and 14.4 kbit/s Data Services in BSC

. Intelligent Underlay-Overlay

. Multi BCF Control in BSC

. Radio Resource Pre-emption and Queuing in BSC

. Traffic Reason Handover in BSC

. Trunk Reservation

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2 Counters of Traffic Measurement

2.1 001000 / SEIZURE ATTEMPTS

CounterID: 001000

Networkelement name: SEIZURE ATTEMPTS

Version: 2.1 NetAct name: SDCCH_SEIZ_ATT

Description:Number of times when an MS attempts to seize an SDCCH.

Updated:When the RRM receives requests for SDCCH from an MS as the MS needs a channelfor either a call or a HO. See figures: - Basic call with counters - FACCHcall setup due to SDCCH congestion with counters - FACCH call setup due toSDCCH congestion, no free TCH channel - SDCCH congestion, FACCH call setupis not activated - Successful SDCCH internal intra-cell handover - SuccessfulSDCCH internal inter-cell handover - Successful SDCCH external handover target- Reconfiguration from TCH to SDCCH

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

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2.2 001001 / SEIZURE ATTEMPTS WITH BUSY SDCCH

CounterID: 001001

Networkelement name: SEIZURE ATTEMPTS WITH BUSY SDCCH

Version: 2.1 NetAct name: SDCCH_BUSY_ATT

Description:Number of times when an MS attempts to seize an SDCCH but the attempt is unsuccessfulbecause all SDCCHs are busy. This counter does not necessarily mean that thecall attempt is lost, because the call may be established as an FACCH callsetup using TCH instead of SDCCH. This counter is not triggered when theTCH reconfiguration is attempted because of dynamic SDCCH allocation. If theattempt fails, the SDCCH_busy_attempt is triggered together with 1155UNSUCC_IMM_ASS_SDCCH_ATTEMPT.

Updated:When the RRM has no SDCCHs to allocate for a call or HO attempts. See figures:- FACCH call setup due to SDCCH congestion with counters - FACCH call setupbecause of SDCCH congestion - SDCCH congestion, FACCH call setup is not activated

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20003:CS Statistics Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.3 001002 / TRANSACTIONS FAIL DUE TO BSS FAIL

CounterID: 001002

Networkelement name: TRANSACTIONS FAIL DUE TO BSS FAIL

Version: 2.1 NetAct name: SDCCH_BSS_FAIL

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Description:Number of SDCCH transactions ended because of a BSS failure. Impact: Seefield descriptions of the counters 001033, 001034, 001035, and 001036.

Updated:When one of the counters 001033, 001034, 001035, or 001036 is updated. Thiscounter represents their sum. See figures: - Unsuccessful SDCCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - SDCCH assignmentfailure - Unsuccessful SDCCH activation, timer expires while waiting forPHYSICAL_CONTEXT_CONFIRM message - TRX/TSL is blocked with different causesduring an SDCCH channel activation - Unsuccessful SDCCH internal intra-cellhandover, timer expires while waiting for CHANNEL_ACTIVATION_ACK message- Unsuccessful SDCCH external handover, timer expires while waiting for CLEAR_COMMANDmessage

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.4 001003 / TRANSACTIONS FAIL DUE TO RADIOFAIL

CounterID: 001003

Networkelement name: TRANSACTIONS FAIL DUE TO RADIO FAIL

Version: 2.1 NetAct name: SDCCH_RADIO_FAIL

Description:Number of SDCCH transactions ended because of a radio failure. Impact: Callcleared Reason for the Impact: External / Abis Interface

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Updated:When an SDCCH transaction ends because of a radio failure (radio link timeout)and the RRM releases the SDCCH. This counter is updated in call phases 1-8only. See figures: - TCH assignment failure - Connection failure duringSDCCH assignment

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.5 001004 / TRANSACTIONS FAIL DUE RADIO ONSOURCE CHANNEL DURING HO

CounterID: 001004

Networkelement name: TRANSACTIONS FAIL DUE RADIO ONSOURCE CHANNEL DURING HO

Version: 2.1 NetAct name: SDCCH_RF_OLD_HO

Description:Number of SDCCH transactions ended because of a radio failure on the sourcechannel during a handover between SDCCH-SDCCH or SDCCH-TCH. It is this counterin the source cell that is updated. If the target cell lies within the sameBSC, also counter 001005 in the target cell is updated along with this counter.Impact: HO failure and call cleared

Updated:When an SDCCH transaction ends because of a radio failure (HO failure) onthe source channel during a handover attempt and the RRM releases the SDCCH.This counter is updated in call phases 9-11 only. See figure UnsuccessfulSDCCH internal inter-cell handover, BTS sends CONNECTION_FAILURE message.

Logicaltype: Sum

Trigger type: Event Sampling interval:

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Unit: Integer number Range: Example values:

Dependencies withother counters:

001005:TRANSACTIONS FAIL DUE RADIO ON TARGET CHANNEL

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.6 001005 / TRANSACTIONS FAIL DUE RADIO ONTARGET CHANNEL

CounterID: 001005

Networkelement name: TRANSACTIONS FAIL DUE RADIO ONTARGET CHANNEL

Version: 2.1 NetAct name: SDCCH_RF_NEW_HO

Description:Number of SDCCH transactions ended because of a radio failure on the targetchannel during an SDCCH HO. Impact: HO failure, the call may possibly becleared Reason for the impact: Since the MS cannot access the target channel,a radio failure occurs. The unsuccessful seizure may have been caused by amissing indication of call establishment, missing detection of HO, missingindication of the HO completed, or corrupted messages related to the HO.

Updated:When an SDCCH transaction ends because of a radio failure on the target channelduring a handover attempt and the RRM releases the SDCCH. This counter isupdated in call phases 12-14 only. See figure Unsuccessful SDCCH internalintra-cell handover, CONNECTION_FAILURE message comes to the target channelduring handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.7 001006 / SUCCESS SEIZURE FOR HO

CounterID: 001006

Networkelement name: SUCCESS SEIZURE FOR HO

Version: 2.1 NetAct name: SDCCH_HO_SEIZ

Description:Number of successful SDCCH seizures for a handover.

Updated:When the RRM allocates an SDCCH as a response to an SDCCH request in a handoverattempt. See figures: - Successful SDCCH internal intra-cell handover - SuccessfulSDCCH internal inter-cell handover - Successful SDCCH external handover target

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

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2.8 001007 / SUCCESS SEIZURE FOR IMMEDIATEASSIGNMENT

CounterID: 001007

Networkelement name: SUCCESS SEIZURE FOR IMMEDIATEASSIGNMENT

Version: 2.1 NetAct name: SDCCH_ASSIGN

Description:Number of successful seizures of SDCCH for an immediate assignment.

Updated:When the RRM allocates an SDCCH for an immediate assignment in a call attempt.See figures: - Basic call with counters - Reconfiguration from TCH to SDCCH

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.9 001008 / SUCCESS TCH SEIZURE FOR HO

CounterID: 001008

Networkelement name: SUCCESS TCH SEIZURE FOR HO

Version: 2.1 NetAct name: TCH_HO_SEIZ

Description:Number of successful requests for a TCH in a handover.

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Updated:When the RRM allocates a TCH as a response to a TCH request in a handoverattempt. The channel is reserved by the RRM, but the success of the HO isnot known in this phase. See figures: - Successful internal intra-cell handover- Internal intra-cell HO, successful TCH queuing - Successful internal inter-cellhandover - Successful external handover, target

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.10 001009 / SUCCESS TCH SEIZURE FOR NORMALASSIGNMENT

CounterID: 001009

Networkelement name: SUCCESS TCH SEIZURE FOR NORMALASSIGNMENT

Version: 2.1 NetAct name: TCH_NORM_SEIZ

Description:Number of successful requests for a TCH in a normal assignment.

Updated:When the RRM allocates a TCH as a response to a TCH request in a call attempt.See figures: - Basic call with counters - Basic call with priority subscriber- Successful TCH queuing - Successful forced release - Successful forced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.11 001010 / TCH REQUEST SUCCESS ANDUNSUCCESS

CounterID: 001010

Networkelement name: TCH REQUEST SUCCESS ANDUNSUCCESS

Version: 2.1 NetAct name: TCH_REQUEST

Description:Total number of requests for a TCH (successful and unsuccessful).

Updated:When the RRM receives a request for a TCH either in a call or a handover attempt.See figures: - Basic call with counters - Basic call with priority subscriber- FACCH call setup due to SDCCH congestion with counters - FACCH call setupbecause of SDCCH congestion - Basic call, no free TCH and queuing or directedretry is not allowed - Successful TCH queuing - Basic call, no free TCHs,unsuccessful queuing and directed retry not activated - TCH assignment failurewith cause switch_circuit_pool, queuing and directed retry not allowed -Unsuccessful trunk reservation - Successful internal intra-cell handover- Internal intra-cell HO, successful TCH queuing - Unsuccessful underlayoverlay internal intra-cell handover, queuing not allowed - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry - Successfulinternal inter-cell handover - Successful external handover, target - Successfulforced release - Unsuccessful forced release - Unsuccessful forced releasewith external handover - Successful forced handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.12 001011 / TCH REQUEST REJECTED DUE TO LACK

CounterID: 001011

Networkelement name: TCH REQUEST REJECTED DUE TO LACK

Version: 2.1 NetAct name: TCH_REQ_REJ_LACK

Description:Number of requests for TCHs that are rejected because there are no radio resourcesavailable. This counter is also updated when a request for TCH is rejectedbecause of a mismatch between the types of the requested channel and the Ainterface circuit. See also counter 004079.

Updated:When the RRM has no TCHs available for either call or HO attempt requests,or the RRM changes the A interface circuit pool before the TCH allocation.This counter may be updated immediately after a TCH request or, in case ofqueuing, when the queuing timer expires. NOTE! In case of DR this counteris updated as follows: 1) When a call is removed from the queue becauseof a DR attempt, this counter is NOT updated on the SOURCE side, instead counter001173 is updated. 2) If queuing is not used or the queuing timer expiresbefore a DR attempt, this counter is updated on the SOURCE side. 3) On theTARGET side, this counter is updated in case of congestion (blocking). Seefigures: - Basic call without counters - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - TCH assignment failure with causeswitch_circuit_pool, queuing and directed retry not allowed - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Unsuccessful forced release- Unsuccessful forced release with external handover - Unsuccessful forcedhandover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

004079:CAUSE DIR RETRY

Operability class:

Relatedto feature:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release: S11

2.13 001012 / TRANSACTIONS ENDED DUE TO BSSPROBLEM

CounterID: 001012

Networkelement name: TRANSACTIONS ENDED DUE TO BSSPROBLEM

Version: 2.1 NetAct name: TCH_BSS_FAIL

Description:Number of TCH transactions ended because of BSS problems. Impact: See descriptionsof counters 001045, 001046, 001047 and 001051.

Updated:When one of the counters 001045, 001046, 001047, or 001051 is updated. Thiscounter represents their sum. See figures: - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure, MSC sends CLEAR_COMMAND message - TRX or TSL is blocked with differentcauses during a call - Unsuccessful internal intra-cell handover, timer expireswhile waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessful externalhandover, source BSC, timer expires while waiting for CLEAR_COMMAND message- Unsuccessful external handover, MS sends a handover failure - Dropped callbetween ASSIGNMENT COMPLETE and DISCONNECT

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.14 001013 / TRANSACTIONS ENDED DUE RADIO FAIL

CounterID: 001013

Networkelement name: TRANSACTIONS ENDED DUE RADIO FAIL

Version: 2.1 NetAct name: TCH_RADIO_FAIL

Description:Number of TCH transactions ended because of a radio failure. Impact: Callcleared

Updated:When a TCH transaction ends because of a radio failure and the RRM releasesthe TCH. This counter is typical in connection with coverage problems. ERRORINDICATION is sent by the BTS to the BSC in the following cases: - Sequenceerror in a received message (the case where retransmission is not possible).- Timer T200 has expired N200 +1 times (MS does not respond any more). -Unsolicited DM response when link is established. This counter is updatedin call phases 1-8 or 15 only. See figures: - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

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Definition updatedin release: S11

2.15 001014 / TRANSACTIONS ENDED DUE SOURCECHANNEL FAIL DURING HO

CounterID: 001014

Networkelement name: TRANSACTIONS ENDED DUE SOURCECHANNEL FAIL DURING HO

Version: 2.1 NetAct name: TCH_RF_OLD_HO

Description:Number of TCH transactions ended because of a radio failure on the sourcechannel during a handover attempt. Impact: HO failure and call cleared

Updated:When a TCH transaction ends because of a radio failure (HO failure) on thesource channel during a handover attempt. This counter is updated in callphases 9-11 only. See figure Unsuccessful internal intra-cell handover, timerexpires on the source channel, call cleared.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Definition updatedin release:

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2.16 001015 / TRANSACTIONS ENDED DUE TARGETCHANNEL FAIL

CounterID: 001015

Networkelement name: TRANSACTIONS ENDED DUE TARGETCHANNEL FAIL

Version: 2.1 NetAct name: TCH_RF_NEW_HO

Description:A TCH transaction ends because of a radio failure (HO failure) on the targetchannel during a handover attempt. Counter 001088 is also updated along withthis counter if the MS fails to return to the old channel during an inter-BSChandover. Impact: HO failure, the call may possibly be cleared Reason forthe impact: Since the MS cannot access the target channel, a radio failureoccurs. It may be caused by missing indication of call establishment, missingdetection of HO, missing indication of the HO completed or corrupted messagesrelated to HO.

Updated:When a TCH transaction ends because of a radio failure on the target channelduring a handover attempt. This counter is updated in call phases 12-14 only.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001088:TCH A IF FAIL SOURCE

Operability class:

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3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

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2.17 001016 / CALL ATTEMPTS IN THE QUEUE

CounterID: 001016

Networkelement name: CALL ATTEMPTS IN THE QUEUE

Version: 2.1 NetAct name: TCH_QD_CALL_ATT

Description:Number of call attempts set in the queue for a TCH. Counter 001010 is updatedalong with this counter.

Updated:When the RRM puts a TCH request for call attempt in the queue since it hasno TCHs of the requested kind available. See figures: - Successful TCHqueuing - Basic call, no free TCHs, unsuccessful queuing and directed retrynot activated

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.18 001017 / HANDOVER ATTEMPTS IN THE QUEUE

CounterID: 001017

Networkelement name: HANDOVER ATTEMPTS IN THE QUEUE

Version: 2.1 NetAct name: TCH_QD_HO_ATT

Description:Number of HO attempts set in the queue for a TCH. Counter 001010 is updatedalong with this counter.

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Updated:When the RRM sets a TCH request for a handover attempt in the queue sinceit has no TCHs of the requested kind available. See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessful TCHqueuing - Internal directed retry

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.19 001018 / AVE QUEUE LENGTH FOR CHANNELSEIZURE REQUEST

CounterID: 001018

Networkelement name: AVE QUEUE LENGTH FOR CHANNELSEIZURE REQUEST

Version: 2.1 NetAct name: AVE_Q_SEIZ_REQ

Description:Average number of requests for channel seizure in the queue.

Updated:Every 20 seconds, as averaging takes place once in the measurement period.The sample counter is updated when a request is set in the queue or removedfrom it. Updated only to normal TRX record, not to extended TRX record.See figure Average counter updating.

Logicaltype: Sum

Trigger type: Sample Sampling interval:20 s

Unit: Integer number Range: Example values:

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Definition updatedin release:

2.20 001019 / QUEUE DENOMINATOR 1

CounterID: 001019

Networkelement name: QUEUE DENOMINATOR 1

Version: 2.1 NetAct name: QUEUE_DENOM1

Description:Denominator of the average number of requests for channel seizure (always> 0).

Updated:

Logicaltype: Sum

Trigger type: Sample Sampling interval:20 s

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Related to standard:

3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

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2.21 001020 / AVE QUEUE TIME OF CALL ATTEMPTS

CounterID: 001020

Networkelement name: AVE QUEUE TIME OF CALL ATTEMPTS

Version: 2.1 NetAct name: AVE_Q_TIM_CALL_ATT

Description:The average time for which call attempts are kept in the queue (the unit ofthe value is 10 ms). In a successful case counters 001009 and 001021 areupdated along with this counter. In an unsuccessful case counters 001021,001024 and 001060 are updated along with this counter.

Updated:When a TCH request for a call attempt is removed from the queue (both in asuccessful and unsuccessful case). See figures: - Successful TCH queuing- Basic call, no free TCHs, unsuccessful queuing and directed retry not activated

Logicaltype: Sum

Trigger type: Duration Sampling interval:

Unit: 10 ms Range: Example values:

Dependencies withother counters:

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

001021:QUEUE DENOMINATOR 2

001024:NOT SERVED QUEUED CALL ATTEMPTS

001060:QUE ALL ASSIGN REQ FAIL

Operability class:

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3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

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2.22 001021 / QUEUE DENOMINATOR 2

CounterID: 001021

Networkelement name: QUEUE DENOMINATOR 2

Version: 2.1 NetAct name: QUEUE_DENOM2

Description:Denominator of the average time for which call attempts are kept in the queue(always > 0).

Updated:See figures: - Successful TCH queuing - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.23 001022 / AVE QUEUE TIME OF HO ATTEMPTS

CounterID: 001022

Networkelement name: AVE QUEUE TIME OF HO ATTEMPTS

Version: 2.1 NetAct name: AVE_Q_TIM_HO_ATT

Description:The average time for which HO attempts are kept in the queue (the unit ofthe value is 10 ms). In a successful case counters 001008 and 001023 areupdated along with this counter. In an unsuccessful case counters 001023,001025 and 001068 are updated along with this counter.

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Updated:When a TCH request for a handover attempt is removed from the queue (bothin a successful and unsuccessful case). See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessful TCHqueuing - Internal directed retry

Logicaltype: Sum

Trigger type: Duration Sampling interval:

Unit: 10 ms Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001023:QUEUE DENOMINATOR 3

001025:NOT SERVED QUEUED HO ATTEMPTS

001068:QUE ALL HO REQ FAIL

Operability class:

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Definition updatedin release:

2.24 001023 / QUEUE DENOMINATOR 3

CounterID: 001023

Networkelement name: QUEUE DENOMINATOR 3

Version: 2.1 NetAct name: QUEUE_DENOM3

Description:Denominator of the average time for which HO attempts are kept in the queue(always > 0).

Updated:See figures: - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.25 001024 / NOT SERVED QUEUED CALL ATTEMPTS

CounterID: 001024

Networkelement name: NOT SERVED QUEUED CALL ATTEMPTS

Version: 2.1 NetAct name: UNSRV_QD_CALL_ATT

Description:Number of call attempts in the queue which were not served. Counters 001020,001021 and 001060 are updated along with this counter.

Updated:When a call attempt is removed from the queue because a timer expires, orthe call attempt is substituted by another attempt of higher priority. NOTE!This counter is not updated in DR (neither in a successful or unsuccessfulDR). See figure Basic call, no free TCHs, unsuccessful queuing and directedretry not activated.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001020:AVE QUEUE TIME OF CALL ATTEMPTS

001021:QUEUE DENOMINATOR 2

001060:QUE ALL ASSIGN REQ FAIL

Operability class:

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Related to standard:

3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.26 001025 / NOT SERVED QUEUED HO ATTEMPTS

CounterID: 001025

Networkelement name: NOT SERVED QUEUED HO ATTEMPTS

Version: 2.1 NetAct name: UNSRV_QD_HO_ATT

Description:Number of HO attempts in the queue which were not served. Counters 001022,001023 and 001068 are updated along with this counter.

Updated:When a handover attempt is removed from the queue because a timer expires,or the HO attempt is substituted by another attempt of higher priority.See figure Internal intra-cell handover, unsuccessful TCH queuing.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001022:AVE QUEUE TIME OF HO ATTEMPTS

001023:QUEUE DENOMINATOR 3

001068:QUE ALL HO REQ FAIL

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

Usedfrom release: S1

Definition updatedin release:

2.27 001026 / TCH CALL REQ

CounterID: 001026

Networkelement name: TCH CALL REQ

Version: 2.1 NetAct name: TCH_CALL_REQ

Description:Number of TCH requests for a normal assignment (both successful and unsuccessful).Counter 001010 is updated along with this counter.

Updated:When the RRM receives a TCH request in a call attempt. See figures: - Basiccall with counters - Basic call with priority subscriber - Successful TCHqueuing - Basic call, no free TCHs, unsuccessful queuing and directed retrynot activated - TCH assignment failure with cause switch_circuit_pool, queuingand directed retry not allowed - Unsuccessful trunk reservation - Internaldirected retry - Successful forced release - Unsuccessful forced release- Successful forced handover - Unsuccessful forced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.28 001027 / SDCCH ACT FAIL

CounterID: 001027

Networkelement name: SDCCH ACT FAIL

Version: 2.1 NetAct name: SDCCH_ACT_FAIL

Description:Number of SDCCH transactions that are ended because of a failure in the activationof a channel either during a call or HO attempt. Impact: - Call cleared -HO failure Reason for the impact: External / Abis interface

Updated:When either of the counters 001072 and 001074 is updated. This counter representstheir sum. See figures: - Unsuccessful SDCCH activation - Unsuccessful SDCCHinternal intra-cell handover, unsuccessful channel activation

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Definition updatedin release:

2.29 001028 / TCH ACT FAIL

CounterID: 001028

Networkelement name: TCH ACT FAIL

Version: 2.1 NetAct name: TCH_ACT_FAIL

Description:Number of TCH transactions that are ended because of a failure in the activationof a channel either during a call or HO attempt. Impact: - Call cleared -HO failure Reason for the impact: Abis Interface

Updated:When either of the counters 001081 and 001083 is updated. This counter representstheir sum. See figures: - Unsuccessful TCH activation - Unsuccessful internalinter-cell handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

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2.30 001029 / TCH TR FAIL

CounterID: 001029

Networkelement name: TCH TR FAIL

Version: 2.1 NetAct name: TCH_TR_FAIL

Description:Number of TCH transactions that are ended because of a transcoder failure.Impact: Call cleared

Updated:When a TCH transaction ends because of a transcoder failure during a callattempt and the RRM releases the TCH. These failures can also contain situationswhen the timer T3109 expires in a BSC in call release phase while waitingfor the Release Indication. The MS subscriber does not see these failurescaused by the T3109 expiry as real drop calls. This counter is updated incall phases 1-8 or 15 only. See figure CONNECTION_FAILURE message with causetranscoder_failure during a call.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Usedfrom release: S2

Definition updatedin release:

2.31 001030 / TCH TR FAIL SOURCE

CounterID: 001030

Networkelement name: TCH TR FAIL SOURCE

Version: 2.1 NetAct name: TCH_TR_FAIL_OLD

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Description:Number of TCH transactions that are ended because of a transcoder failureon the source channel during a handover on a TCH. Impact: HO failure andcall cleared

Updated:When a TCH transaction ends because of a transcoder failure on the sourcechannel during a handover attempt and the RRM releases the TCH. This happensbefore the RRM receives a message from the MS stating that the HO or assignmentis completed. This counter is updated in call phases 9-11 only.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

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Usedfrom release: S2

Definition updatedin release:

2.32 001031 / TCH TR FAIL TARGET

CounterID: 001031

Networkelement name: TCH TR FAIL TARGET

Version: 2.1 NetAct name: TCH_TR_FAIL_NEW

Description:Number of TCH transactions that are ended because of a transcoder failureon the target channel during a handover on a TCH. Impact: HO failure, thecall may possibly be cleared

Updated:When a TCH transaction ends because of a transcoder failure on the targetchannel during a handover attempt and the RRM releases the TCH. This happensbefore the RRM receives a message from the MS stating that the HO or assignmentis completed. This counter is updated in call phases 12-14 only. See figureUnsuccessful internal intra-cell handover, CONNECTION_FAILURE message withcause remote_transcoder_failure comes to the target channel.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.33 001032 / NOT RELEVANT

CounterID: 001032

Networkelement name: NOT RELEVANT

Version: 2.0 NetAct name: SDCCH_FAST_SEIZ

Description:Not in use

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

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3GPPMeasurement name (Clause header):

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2.34 001033 / SDCCH ABIS PROBL

CounterID: 001033

Networkelement name: SDCCH ABIS PROBL

Version: 2.1 NetAct name: SDCCH_ABIS_FAIL

Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface. Impact: - Call cleared - HO failure Reason for the impact: External/ Abis interface

Updated:When any of the counters 001075, 001076 or 001077 is updated. This counterrepresents their sum. See figures: - Unsuccessful SDCCH activation, timerexpires while waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessful SDCCHactivation, timer expires while waiting for PHYSICAL_CONTEXT_CONFIRM message- TRX/TSL is blocked with different causes during an SDCCH channel activation- Unsuccessful SDCCH internal intra-cell handover, timer expires while waitingfor CHANNEL_ACTIVATION_ACK message

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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3GPPMeasurement name (Clause header):

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Exceptionsto related standard:

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2.35 001034 / SDCCH A IF PROBL

CounterID: 001034

Networkelement name: SDCCH A IF PROBL

Version: 2.1 NetAct name: SDCCH_A_IF_FAIL

Description:Number of SDCCH transactions that are ended because of a failure in the Ainterface. Impact: - Call cleared - HO failure Reason for the impact: External/ A interface

Updated:When any of the counters 001078, 001079, and 001080 is updated. This counterrepresents their sum. See figures: - SDCCH assignment failure - UnsuccessfulSDCCH external handover, timer expires while waiting for CLEAR_COMMAND message

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Related to standard:

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Usedfrom release: S2

Definition updatedin release:

2.36 001035 / SDCCH LAPD FAIL

CounterID: 001035

Networkelement name: SDCCH LAPD FAIL

Version: 2.1 NetAct name: SDCCH_LAPD_FAIL

Description:Number of SDCCH transactions that are ended because of an LAPD failure. (Theblocked TRX is in one of these substates: signalling link fault or PCM fault.)Impact: - Call cleared - HO failure Reason for the impact: External / Abisinterface

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Updated:When an SDCCH transaction ends because of a TRX blocked by an LAPD failureand the RRM releases the SDCCH. See figure TRX/TSL is blocked with differentcauses during an SDCCH channel activation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Definition updatedin release:

2.37 001036 / SDCCH BTS FAIL

CounterID: 001036

Networkelement name: SDCCH BTS FAIL

Version: 2.1 NetAct name: SDCCH_BTS_FAIL

Description:Number of SDCCH transactions that are ended because of a BTS failure. (Theblocked TRX is in one of these substates: FU fault, CU fault, BTS reset, BCFreset, both CU and FU fault, BCF fault.) Impact: Call cleared

Updated:When an SDCCH transaction ends because of a TRX being blocked by a BTS failureand the RRM releases the SDCCH. See figure TRX/TSL is blocked with differentcauses during an SDCCH channel activation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.38 001037 / SDCCH USER ACT

CounterID: 001037

Networkelement name: SDCCH USER ACT

Version: 2.1 NetAct name: SDCCH_USER_ACT

Description:Number of SDCCH transactions that are ended because of user actions. (TheTRX/TSL is in substate blocked by the user.) Impact: - Call cleared - HOfailure

Updated:When the user disconnects a busy SDCCH by blocking the TSL/TRX with an MMLcommand. The transaction ends and the SDCCH is released. See figure TRX/TSLis blocked with different causes during an SDCCH channel activation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

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2.39 001038 / SDCCH BCSU RESET

CounterID: 001038

Networkelement name: SDCCH BCSU RESET

Version: 2.1 NetAct name: SDCCH_BCSU_RESET

Description:Number of SDCCH transactions that are ended because of a BCSU restart. Impact:- Call cleared - HO failure Reason for the impact: BCSU restart

Updated:When an SDCCH transaction ends because of a TRX blocked by a BCSU restartand the RRM releases the SDCCH.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.40 001039 / SDCCH NETW ACT

CounterID: 001039

Networkelement name: SDCCH NETW ACT

Version: 2.1 NetAct name: SDCCH_NETW_ACT

Description:Number of SDCCH transactions ended because of a reconfiguration of the radionetwork. (The TRX blocked is in substate blocked by the system.) Impact:- Call cleared - HO failure Reason for the impact: See Radio Network Management,Service Block Description, for radio network reconfiguration.

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Updated:When an SDCCH transaction ends because of a TRX blocked by a failure whichleads to TRX reconfiguration. The failure may occur both during call and HOattempts. See figure TRX/TSL is blocked with different causes during anSDCCH channel activation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.41 001040 / TRUNK RES INVOC

CounterID: 001040

Networkelement name: TRUNK RES INVOC

Version: 2.1 NetAct name: TRUNK_RES_INVOC

Description:Total number of Trunk Reservation function invocations.

Updated:When Trunk Reservation is applied during call setup or handover in Radio ResourceManagement. See figures: - Successful trunk reservation - Unsuccessful trunkreservation

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

BSC1006:Trunk Reservation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.42 001041 / SUCC TRUNK RES INVOC

CounterID: 001041

Networkelement name: SUCC TRUNK RES INVOC

Version: 2.1 NetAct name: TRUNK_RES_INVOC_SUCC

Description:Number of successful Trunk Reservation function invocations.

Updated:When Trunk Reservation allows resources to be allocated in call setup or handoverin Radio Resource Management. See figure Successful trunk reservation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1006:Trunk Reservation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S2

Definition updatedin release:

2.43 001042 / TRUNK RES INVOC RES REFUSED

CounterID: 001042

Networkelement name: TRUNK RES INVOC RES REFUSED

Version: 2.1 NetAct name: TRUNK_RES_INVOC_REFUSED

Description:Number of Trunk Reservation function invocations that result in resource allocationbeing refused.

Updated:When Trunk Reservation denies access and does not allow resources to be allocatedin call setup or handover in Radio Resource Management. See figure Unsuccessfultrunk reservation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1006:Trunk Reservation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.44 001043 / TCH REQ FACCH CALLSET

CounterID: 001043

Networkelement name: TCH REQ FACCH CALLSET

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Version: 2.1 NetAct name: TCH_FAST_REQ

Description:Number of TCH requests for FACCH call setup during SDCCH congestion (bothsuccessful and unsuccessful). Counters 001010 and 001098 are updated alongwith this counter.

Updated:When the RRM receives a request for an SDCCH but there are no SDCCHs idleand a TCH is tried to be allocated as part of the FACCH call setup. It isindicated in the received SDCCH request whether a FACCH setup is allowed ornot. See figures: - FACCH call setup due to SDCCH congestion with counters- FACCH call setup because of SDCCH congestion

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

001098:TCH SEIZ ATT DUE SDCCH CON

Operability class:

Relatedto feature:

BSS5290:FACCH Call Setup due to SDCCH Congestion

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release: S5

2.45 001044 / TCH SEIZ FACCH CALL SET

CounterID: 001044

Networkelement name: TCH SEIZ FACCH CALL SET

Version: 2.1 NetAct name: TCH_FAST_SEIZ

Description:Number of successful seizures of TCHs in FACCH call setup. Counter 001099is updated along with this counter.

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Updated:When the RRM allocates a TCH as a response to an SDCCH request as part ofthe FACCH call setup because of no SDCCHs being idle. See figure FACCH callsetup due to SDCCH congestion with counters.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001099:TCH SEIZ DUE SDCCH CON

Operability class:

Relatedto feature:

BSS5290:FACCH Call Setup due to SDCCH Congestion

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release: S5

2.46 001045 / TCH ABIS PROBL

CounterID: 001045

Networkelement name: TCH ABIS PROBL

Version: 2.1 NetAct name: TCH_ABIS_FAIL

Description:Number of TCH transactions that are ended because of a failure in the Abisinterface. Impact: - The call may possibly be cleared - HO failure Reasonfor the impact: External / Abis Interface

Updated:When any of the counters 001084, 001085, and 001086 is updated. This counterrepresents their sum. See figures: - Unsuccessful TCH activation, timerexpires while waiting for CHANNEL_ACTIVATION_ACK message - TRX or TSL isblocked with different causes during a call - Unsuccessful internal intra-cellhandover, timer expires while waiting for CHANNEL_ACTIVATION_ACK message- Dropped call between ASSIGNMENT COMPLETE and DISCONNECT

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.47 001046 / TCH LAPD FAIL

CounterID: 001046

Networkelement name: TCH LAPD FAIL

Version: 2.1 NetAct name: TCH_LAPD_FAIL

Description:Number of TCH transactions that are ended because of an LAPD failure. (Theblocked TRX is in one of these substates: signalling link fault or PCM fault.)Impact: - Call cleared - HO failure

Updated:When a TCH transaction ends because of a TRX blocked by an LAPD failure andthe RRM releases the TCH. See figure TRX or TSL is blocked with differentcauses during a call.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.48 001047 / TCH BTS FAIL

CounterID: 001047

Networkelement name: TCH BTS FAIL

Version: 2.1 NetAct name: TCH_BTS_FAIL

Description:Number of TCH transactions that are ended because of a BTS failure. (The blockedTRX is in one of these substates: FU fault, CU fault, BTS reset, BCF reset,both CU and FU fault, BCF fault.) Impact: Call cleared

Updated:When a TCH transaction ends because of a TRX blocked by a BTS failure andthe RRM releases the TCH. See figure TRX or TSL is blocked with differentcauses during a call.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

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2.49 001048 / TCH USER ACT

CounterID: 001048

Networkelement name: TCH USER ACT

Version: 2.1 NetAct name: TCH_USER_ACT

Description:Number of TCH transactions that are ended because of user actions. (The TRX/TSLis in substate blocked by the user.) Impact: - Call cleared - HO failure

Updated:When the user disconnects a busy TCH by blocking the TSL/TRX with an MML command.The transaction ends and the TCH is released. See figure TRX or TSL is blockedwith different causes during a call.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.50 001049 / TCH BCSU RESET

CounterID: 001049

Networkelement name: TCH BCSU RESET

Version: 2.1 NetAct name: TCH_BCSU_RESET

Description:Number of TCH transactions that are ended because of a BCSU restart. Impact:- Call cleared - HO failure Reason for the impact: BCSU restart

Updated:When a TCH transaction ends because of a TRX blocked by a BCSU restart andthe RRM releases the TCH.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.51 001050 / TCH NETW ACT

CounterID: 001050

Networkelement name: TCH NETW ACT

Version: 2.1 NetAct name: TCH_NETW_ACT

Description:Number of TCH transactions ended because of a reconfiguration of the radionetwork. (The blocked TRX is in substate blocked by the system.) Reason forthe impact: See Radio Network Management for radio network reconfiguration.

Updated:When a TCH transaction ends because of a TRX blocked by a failure which leadsto TRX reconfiguration. See figure TRX or TSL is blocked with differentcauses during a call.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.52 001051 / TCH A IF PROBL

CounterID: 001051

Networkelement name: TCH A IF PROBL

Version: 2.1 NetAct name: TCH_A_IF_FAIL

Description:Number of TCH transactions that are ended because of a failure in the A interface.Impact: - Call is possibly cleared - HO failure Reason for the impact: External/ A interface

Updated:When any of the counters 001087, 001088 or 001089 is updated. This counterrepresents their sum. See figures: - TCH assignment failure, MSC sendsCLEAR_COMMAND message - Unsuccessful external handover, source BSC, timerexpires while waiting for CLEAR_COMMAND message - Unsuccessful external handover,MS sends a handover failure

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

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2.53 001052 / TRHO REQ

CounterID: 001052

Networkelement name: TRHO REQ

Version: 2.1 NetAct name: TRHO_REQ

Description:Number of HOs because of traffic reasons.

Updated:When a handover, under the control of the MSC and because of a traffic reasonprocedure, is started as a response to the TRAFFIC_REASON_HO_CANDIDATE_ENQUIRYmessage from the A interface. The counter tells the number of mobiles, determinedby the MSC to be handed over. Updated only to normal TRX record, not to extendedTRX record. See figure Successful traffic reason handover, source.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1005:Traffic Reason Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.54 001053 / TRHO ENQUIRIES

CounterID: 001053

Networkelement name: TRHO ENQUIRIES

Version: 2.1 NetAct name: TRHO_ENQ

Description:Number of enquiries about traffic reason HO.

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Updated:When the RRM starts a handover by sending a message enquiring about the trafficreason to the Abis interface. See figure Successful traffic reason handover,source.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1005:Traffic Reason Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S2

Definition updatedin release:

2.55 001054 / FOR REL ASSIGN REQ ATT

CounterID: 001054

Networkelement name: FOR REL ASSIGN REQ ATT

Version: 2.1 NetAct name: FOR_REL_ASS_REQ_ATT

Description:Number of call attempt requests capable of doing a forced release for a callin progress. Counter 001010 is updated along with this counter.

Updated:When the RRM receives a TCH request for a call attempt which is capable ofdoing a forced release for a call in progress. See figures: - Basic callwith priority subscriber - Successful forced release - Unsuccessful forcedrelease

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.56 001055 / FOR HO ASSIGN REQ ATT

CounterID: 001055

Networkelement name: FOR HO ASSIGN REQ ATT

Version: 2.1 NetAct name: FOR_HO_ASS_REQ_ATT

Description:Number of call attempt requests capable of doing a forced HO for a call inprogress. Counter 001010 is updated along with this counter.

Updated:When the RRM receives a TCH request for a call attempt which is capable ofdoing a forced HO for a call in progress. See figures: - Basic call withpriority subscriber - Successful forced handover - Unsuccessful forced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

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Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.57 001056 / QUE ALL ASSIGN REQ ATT

CounterID: 001056

Networkelement name: QUE ALL ASSIGN REQ ATT

Version: 2.1 NetAct name: QUE_ALL_ASS_REQ_ATT

Description:Number of requests for a call attempt with queuing allowed. Counter 001010is updated along with this counter.

Updated:When the RRM receives a TCH request for a call attempt which is allowed toqueue for channels. See figures: - Basic call with counters - SuccessfulTCH queuing - Basic call, no free TCHs, unsuccessful queuing and directedretry not activated - Unsuccessful trunk reservation

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.58 001057 / QUE NALL ASSIGN REQ ATT

CounterID: 001057

Networkelement name: QUE NALL ASSIGN REQ ATT

Version: 2.1 NetAct name: QUE_NALL_ASS_REQ_ATT

Description:Number of requests for a call attempt with queuing not allowed. Counter 001010is updated along with this counter.

Updated:When the RRM receives a TCH request for a call attempt which is not allowedto queue for channels. See figures: - Basic call with counters - Basiccall, no free TCH and queuing or directed retry is not allowed - TCH assignmentfailure with cause switch_circuit_pool, queuing and directed retry not allowed- Unsuccessful trunk reservation

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.59 001058 / FOR REL ASSIGN REQ FAIL

CounterID: 001058

Networkelement name: FOR REL ASSIGN REQ FAIL

Version: 2.1 NetAct name: FOR_REL_ASS_REQ_FAIL

Description:Number of rejected call attempt requests capable of doing a forced releasefor a call in progress. Counters 001011 and 001141 are updated along withthis counter. Reason for the impact: There is no suitable call for releasein the cell or the pre-emption software is not in use in the BSC.

Updated:When the RRM rejects a TCH request for a call attempt which is capable ofdoing a forced release for a call in progress. The high priority TCH requestis rejected because of lack of a suitable call for release or because pre-emptionsoftware is not in use in the BSC. See figure Unsuccessful forced release.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

001141:TCH SEIZ FAILS DUE TO CONG

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.60 001059 / FOR HO ASSIGN REQ FAIL

CounterID: 001059

Networkelement name: FOR HO ASSIGN REQ FAIL

Version: 2.1 NetAct name: FOR_HO_ASS_REQ_FAIL

Description:Number of rejected call attempt requests capable of doing a forced HO fora call in progress. Counters 001011 and 001141 are updated along with thiscounter. Reason for the impact: There is no suitable call for a forced handoverin the cell or the pre-emption software is not in use in the BSC.

Updated:When the RRM rejects a TCH request for a call attempt which is capable ofdoing a forced handover for a call in progress. The high priority TCH requestis rejected because of a lack of suitable calls for a forced handover or becausethe pre-emption software is not in use in the BSC. See figure Unsuccessfulforced handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

001141:TCH SEIZ FAILS DUE TO CONG

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.61 001060 / QUE ALL ASSIGN REQ FAIL

CounterID: 001060

Networkelement name: QUE ALL ASSIGN REQ FAIL

Version: 2.1 NetAct name: QUE_ALL_ASS_REQ_FAIL

Description:Number of rejected call attempt requests with queuing allowed. Counters 001011and 001141 are updated along with this counter. Reason for the impact: Thismay be because of queuing is not allowed in the BTS, or the request is removedfrom the queue because of expiry of a timer, or the request is replaced bya request with higher priority.

Updated:When the RRM rejects a TCH request for a call attempt which is allowed toqueue. See figures: - Basic call, no free TCHs, unsuccessful queuing anddirected retry not activated - Unsuccessful trunk reservation

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.62 001061 / QUE NALL ASSIGN REQ FAIL

CounterID: 001061

Networkelement name: QUE NALL ASSIGN REQ FAIL

Version: 2.1 NetAct name: QUE_NALL_ASS_REQ_FAIL

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Description:Number of rejected call attempt requests with queuing not allowed. Counters001011 and 001141 are updated along with this counter. Reason for the impact:There are no radio resources available.

Updated:When the RRM rejects a TCH request for a call attempt which is not allowedto queue. See figures: - Basic call, no free TCH and queuing or directedretry is not allowed - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful trunk reservation

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

001141:TCH SEIZ FAILS DUE TO CONG

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.63 001062 / FOR REL HO REQ ATT

CounterID: 001062

Networkelement name: FOR REL HO REQ ATT

Version: 2.1 NetAct name: FOR_REL_HO_REQ_ATT

Description:Number of requests for a handover capable of doing a forced release for acall in progress. Counter 001010 is updated along with this counter.

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Updated:When the RRM receives a TCH request for a handover attempt which is capableof doing a forced release for a call in progress. See figure Unsuccessfulforced release with external handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.64 001063 / FOR HO HO REQ ATT

CounterID: 001063

Networkelement name: FOR HO HO REQ ATT

Version: 2.1 NetAct name: FOR_HO_HO_REQ_ATT

Description:Number of requests for a handover capable of doing a forced HO for a callin progress. Counter 001010 is updated along with this counter.

Updated:When the RRM receives a TCH request for a handover attempt which is capableof doing a forced HO for a call in progress. See figure Unsuccessful forcedhandover with external handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.65 001064 / QUE ALL HO REQ ATT

CounterID: 001064

Networkelement name: QUE ALL HO REQ ATT

Version: 2.1 NetAct name: QUE_ALL_HO_REQ_ATT

Description:Number of requests for a handover with queuing allowed. Counter 001010 isupdated along with this counter.

Updated:When the RRM receives a TCH request for a handover attempt which is allowedto queue for radio resources. See figures: - Successful internal intra-cellhandover - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry - Successfulinternal inter-cell handover - Successful external handover, target

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

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Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.66 001065 / QUE NALL HO REQ ATT

CounterID: 001065

Networkelement name: QUE NALL HO REQ ATT

Version: 2.1 NetAct name: QUE_NALL_HO_REQ_ATT

Description:Number of requests for HO with queuing not allowed. Counter 001010 is updatedalong with this counter.

Updated:When the RRM receives a TCH request for a handover attempt which is not allowedto queue for radio resources. See figures: - Successful internal intra-cellhandover - Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed - Successful internal inter-cell handover - Successful externalhandover, target

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.67 001066 / FOR REL HO REQ FAIL

CounterID: 001066

Networkelement name: FOR REL HO REQ FAIL

Version: 2.1 NetAct name: FOR_REL_HO_REQ_FAIL

Description:Number of rejected requests for a handover capable of doing a forced releasefor a call in progress. Counter 001011 is updated along with this counter.Reason for the impact: There is no suitable call for release in the cellor the pre-emption software is not in use in BSC.

Updated:When the RRM rejects a TCH request for a handover attempt which is capableof doing a forced release for a call in progress. The high priority TCH requestis rejected because of a lack of suitable calls for release or because thepre-emption software is not in use in the BSC. See figure Unsuccessful forcedrelease with external handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S3

Definition updatedin release:

2.68 001067 / FOR HO HO REQ FAIL

CounterID: 001067

Networkelement name: FOR HO HO REQ FAIL

Version: 2.1 NetAct name: FOR_HO_HO_REQ_FAIL

Description:Number of rejected requests for a handover capable of doing a forced HO fora call in progress. Counter 001011 is updated along with this counter. Reasonfor the impact: There is no suitable call for a forced handover in the cellor the pre-emption software is not in use in the BSC.

Updated:When the RRM rejects a TCH request for a handover attempt which is capableof doing a forced handover for a call in progress. The high priority TCH requestis rejected because of a lack of suitable calls for a forced handover or becausethe pre-emption software is not in use in the BSC. See figure Unsuccessfulforced handover with external handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.69 001068 / QUE ALL HO REQ FAIL

CounterID: 001068

Networkelement name: QUE ALL HO REQ FAIL

Version: 2.1 NetAct name: QUE_ALL_HO_REQ_FAIL

Description:Number of the rejected requests for a handover with queuing allowed. Counter001011 is updated along with this counter. Reason for the impact: This maybe because queuing is not allowed in the BTS, or the request is removed fromthe queue because of expiry of a timer, or the request is replaced by anotherwith higher priority.

Updated:When the RRM rejects a TCH request for a handover attempt which is allowedto queue. See figure Internal intra-cell handover, unsuccessful TCH queuing.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.70 001069 / QUE NALL HO REQ FAIL

CounterID: 001069

Networkelement name: QUE NALL HO REQ FAIL

Version: 2.1 NetAct name: QUE_NALL_HO_REQ_FAIL

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Description:Number of rejected requests for a handover with queuing not allowed. Counter001011 is updated along with this counter. Reason for the impact: There areno radio resources available.

Updated:When the RRM rejects a TCH request for a handover attempt which is not allowedto queue. See figure Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.71 001070 / FORCED RELEASES

CounterID: 001070

Networkelement name: FORCED RELEASES

Version: 2.1 NetAct name: FORCED_RELEASES

Description:Number of forced releases.

Updated:When the RRM starts to terminate a call in progress forcefully by sendinga release request to the Abis interface. See figure Successful forced release.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.72 001071 / FORCED HANDOVERS

CounterID: 001071

Networkelement name: FORCED HANDOVERS

Version: 2.1 NetAct name: FORCED_HANDOVERS

Description:Number of forced HOs.

Updated:When the RRM receives an acknowledgement from the Handover Attempt Supervisorof the Abis interface to its request for a forced HO. See figure Successfulforced handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC3910:Queuing and Priority

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.73 001072 / SDCCH ACT FAIL CALL

CounterID: 001072

Networkelement name: SDCCH ACT FAIL CALL

Version: 2.1 NetAct name: SDCCH_ACT_FAIL_CALL

Description:Number of SDCCH transactions that are ended because of a failure in the activationof a channel during a call. Impact: Call cleared Reason for the impact:Abis Interface

Updated:When an SDCCH transaction ends because of a failure to activate a channelin the BTS and the RRM releases the SDCCH. This counter is updated in callphases 1-8 only. See figure Unsuccessful SDCCH activation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.74 001073 / NOT RELEVANT

CounterID: 001073

Networkelement name: NOT RELEVANT

Version: 2.0 NetAct name:

Description:Not in use

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.75 001074 / SDCCH ACT FAIL TARGET

CounterID: 001074

Networkelement name: SDCCH ACT FAIL TARGET

Version: 2.1 NetAct name: SDCCH_ACT_FAIL_NEW

Description:Number of SDCCH transactions that are ended because of a failure to activatethe target channel during an SDCCH HO. Impact: HO failure and possibly callcleared Reason for the impact: External / Abis Interface

Updated:When an SDCCH transaction ends because of a failure to activate the targetchannel during a handover attempt and the RRM releases the SDCCH. This counteris updated in call phases 12-14 only. See figure Unsuccessful SDCCH internalintra-cell handover, unsuccessful channel activation.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1003:SDCCH Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.76 001075 / SDCCH ABIS FAIL CALL

CounterID: 001075

Networkelement name: SDCCH ABIS FAIL CALL

Version: 2.1 NetAct name: SDCCH_ABIS_FAIL_CALL

Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface during a call in progress. There is no acknowledgement of channelactivation, no indication of call establishment received, i.e., ghosts. Impact:Call cleared Reason for the impact: External / Abis interface

Updated:When an SDCCH transaction ends because of signalling problems in the Abisinterface and the RRM releases the SDCCH. This counter is updated in callphases 1-8 only. Reasons that trigger the counter: - Phantom RACHs thathave a valid establishment cause. - The BTS can hear the MS, but the MS cannothear the BTS, and so the MS does not respond to the IMMEDIATE ASSIGNMENT messagewith a SABM. - MS is accessing the network at the limit of sensitivity andmessages are lost. - Poor Radio conditions. - MS is accessing network throughanother BTS (co-channel, co-BSIC interference). See figures: - UnsuccessfulSDCCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACK message- Unsuccessful SDCCH activation, timer expires while waiting for PHYSICAL_CONTEXT_CONFIRMmessage - TRX/TSL is blocked with different causes during an SDCCH channelactivation

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.77 001076 / SDCCH ABIS FAIL SOURCE

CounterID: 001076

Networkelement name: SDCCH ABIS FAIL SOURCE

Version: 2.1 NetAct name: SDCCH_ABIS_FAIL_OLD

Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface on the source channel during SDCCH-SDCCH or SDCCH-TCH HO. Impact:HO failure and call cleared Reason for the impact: External / Abis interface.

Updated:When an SDCCH transaction ends because of a failure in the Abis interfaceon the source channel during a handover and the RRM releases the SDCCH.This counter is updated in call phases 9-11 only.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

BSS6115:Radio Channel Allocation Enhancements

BSC1003:SDCCH Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.78 001077 / SDCCH ABIS FAIL TARGET

CounterID: 001077

Networkelement name: SDCCH ABIS FAIL TARGET

Version: 2.1 NetAct name: SDCCH_ABIS_FAIL_NEW

Description:Number of SDCCH transactions that are ended because of a failure in the Abisinterface on the target channel during a handover. Impact: HO failure andpossibly call cleared Reason for the impact: External / Abis interface

Updated:When an SDCCH transaction ends because of a failure in the Abis interfaceon the target channel during a handover and the RRM releases the SDCCH.This counter is updated in call phases 12-14 only. See figure UnsuccessfulSDCCH internal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1003:SDCCH Handover

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.79 001078 / SDCCH A IF FAIL CALL

CounterID: 001078

Networkelement name: SDCCH A IF FAIL CALL

Version: 2.1 NetAct name: SDCCH_A_IF_FAIL_CALL

Description:Number of SDCCH transactions ended because of a failure in the A interfaceduring a call attempt. Impact: Call cleared Reason for the impact: External/ A interface. There may be a failure in the SDCCH signalling connection.

Updated:When an SDCCH transaction ends because of signalling problems in the A interfaceduring a call attempt and the RRM releases the SDCCH. This counter is updatedin call phases 1-8 only. See figure SDCCH assignment failure.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.80 001079 / SDCCH A IF FAIL SOURCE

CounterID: 001079

Networkelement name: SDCCH A IF FAIL SOURCE

Version: 2.1 NetAct name: SDCCH_A_IF_FAIL_OLD

Description:Number of SDCCH transactions ended because of a failure in the A interfaceon the source channel during an SDCCH-SDCCH or SDCCH-TCH HO. Impact: HO failureand call cleared Reason for the impact: External / A interface. There maybe a failure in the SDCCH signalling connection.

Updated:When an SDCCH transaction ends because of signalling problems in the A interfaceduring an SDCCH-SDCCH or SDCCH-TCH HO and the RRM releases the SDCCH. Thiscounter is updated in call phases 9-11 only. See figure Unsuccessful SDCCHexternal handover, timer expires while waiting for CLEAR_COMMAND message.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1003:SDCCH Handover

BSC1004:Directed Retry

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.81 001080 / SDCCH A IF FAIL TARGET

CounterID: 001080

Networkelement name: SDCCH A IF FAIL TARGET

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Version: 2.1 NetAct name: SDCCH_A_IF_FAIL_NEW

Description:Number of SDCCH transactions ended because of a failure in the A interfaceon the target channel during an SDCCH HO. Impact: HO failure and call clearedReason for the impact: External / A interface. There may be a failure inthe SDCCH signalling connection.

Updated:When an SDCCH transaction ends because of signalling problems in the A interfaceduring an SDCCH HO and the RRM releases the SDCCH. This counter is updatedin call phases 12-14 only. See figure Unsuccessful SDCCH external handover,timer expires while waiting for CLEAR_COMMAND message

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC1003:SDCCH Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.82 001081 / TCH ACT FAIL CALL

CounterID: 001081

Networkelement name: TCH ACT FAIL CALL

Version: 2.1 NetAct name: TCH_ACT_FAIL_CALL

Description:Number of TCH transactions that are ended because of a failure to activatea channel during a call attempt. Impact: Call cleared

Updated:When a TCH transaction ends because of a failure to activate a channel inthe BTS and the RRM releases the TCH. This counter is updated in call phases1-8 only. See figure Unsuccessful TCH activation.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.83 001082 / NOT RELEVANT

CounterID: 001082

Networkelement name: NOT RELEVANT

Version: 2.0 NetAct name:

Description:Not in use

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S3

Definition updatedin release:

2.84 001083 / TCH ACT FAIL TARGET

CounterID: 001083

Networkelement name: TCH ACT FAIL TARGET

Version: 2.1 NetAct name: TCH_ACT_FAIL_NEW

Description:Number of TCH transactions that are ended because of a failure to activatethe target channel during an SDCCH-TCH or TCH-TCH HO. Impact: HO failureand possibly call cleared Reason for the impact: The RRM receives theCHANNEL_ACTIVATION_NACKmessage.

Updated:When a TCH transaction ends because of a failure to activate the target channelduring a TCH HO attempt and the RRM releases the TCH. This counter is updatedin call phases 12-14 only. See figure Unsuccessful internal inter-cell handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.85 001084 / TCH ABIS FAIL CALL

CounterID: 001084

Networkelement name: TCH ABIS FAIL CALL

Version: 2.1 NetAct name: TCH_ABIS_FAIL_CALL

Description:Number of TCH transactions ended because of a failure in the Abis interfaceduring a call in progress. Impact: Call cleared Reason for the impact: External/ Abis Interface The signalling problems may include missing acknowledgementof channel activation, missing indication of call establishment, receipt ofan error indication, corrupted messages, missing measurement results fromthe BTS, excessive timing advance or some internal reasons. These failurescan also contain situations when the timer T3109 expires in a BSC in callrelease phase while waiting for the Release Indication. The MS subscriberdoes not see these failures caused by the T3109 expiry as real drop calls.

Updated:When a TCH transaction ends because of signalling problems in the Abis interfaceand the RRM releases the TCH. This counter is updated in call phases 1-8or 15 only. See figures: - Unsuccessful TCH activation, timer expires whilewaiting for CHANNEL_ACTIVATION_ACK message - TRX or TSL is blocked with differentcauses during a call - Dropped call between ASSIGNMENT COMPLETE and RF CHANNELRELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.86 001085 / TCH ABIS FAIL SOURCE

CounterID: 001085

Networkelement name: TCH ABIS FAIL SOURCE

Version: 2.1 NetAct name: TCH_ABIS_FAIL_OLD

Description:Number of TCH transactions ended because of a failure in the Abis interfaceon the source channel during a TCH HO. Impact: HO failure and call clearedReason for the impact: External / Abis Interface

Updated:When a TCH transaction ends because of a failure in the Abis interface onthe source channel during a TCH HO and the RRM releases the TCH. This counteris updated in call phases 9-11 only.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.87 001086 / TCH ABIS FAIL NEW

CounterID: 001086

Networkelement name: TCH ABIS FAIL NEW

Version: 2.1 NetAct name: TCH_ABIS_FAIL_NEW

Description:Number of TCH transactions ended because of a failure in the Abis interfaceon the new channel during a TCH handover. Impact: HO failure and possiblycall cleared Reason for the impact: External / Abis Interface

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Updated:When a TCH transaction ends because of a failure in the Abis interface onthe new channel during a TCH handover and the RRM releases the TCH. Thiscounter is updated in call phases 12-14 only. See figure Unsuccessful internalintra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.88 001087 / TCH A IF FAIL CALL

CounterID: 001087

Networkelement name: TCH A IF FAIL CALL

Version: 2.1 NetAct name: TCH_A_IF_FAIL_CALL

Description:Number of TCH transactions ended because of a failure in the A interface duringa call in progress. Impact: Call cleared Reason for the impact: External/ A interface. The signalling problems may include the CLEAR_COMMAND messagefrom the MSC during the call setup phase before the MSC receives an indicationof the completion of the assignment from the MS and the ABNORMAL_CLEAR_RECEIVED_DUE_TO_A_INTERFACEmessage (reset circuit, SCCP cleared by RLSD).

Updated:When a TCH transaction ends because of signalling problems in the A interfaceduring a call and the RRM releases the TCH. This counter is updated in callphases 1-8 or 15 only. See figure TCH assignment failure, MSC sends CLEAR_COMMANDmessage.

Logicaltype: Sum

Trigger type: Event Sampling interval:

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Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.89 001088 / TCH A IF FAIL SOURCE

CounterID: 001088

Networkelement name: TCH A IF FAIL SOURCE

Version: 2.1 NetAct name: TCH_A_IF_FAIL_OLD

Description:Number of TCH transactions ended because of a failure in the A interface onthe source channel during a handover attempt. Impact: HO failure and callcleared Reason for the impact: External / A interface

Updated:When a TCH transaction ends because of an A interface failure (HO failure)on the source channel during a TCH HO attempt and the RRM releases the TCH.This counter is updated in the source cell. If the target cell lies withinthe same BSC, also counter 001015 in the target cell is updated along withthis counter. This counter is also updated if the MS fails to return tothe old channel during an inter-BSC handover. This counter is updated inphases 9-11 only. See figure Unsuccessful external handover, source BSC,timer expires while waiting for CLEAR_COMMAND message.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001015:TRANSACTIONS ENDED DUE TARGET CHANNEL FAIL

Operability class:

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Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

2.90 001089 / TCH A IF FAIL NEW

CounterID: 001089

Networkelement name: TCH A IF FAIL NEW

Version: 2.1 NetAct name: TCH_A_IF_FAIL_NEW

Description:Number of TCH transactions ended because of a failure in the A interface onthe new channel during a handover attempt. Impact: HO failure, the callmay possibly be cleared Reason for the impact: External / A interface

Updated:When a TCH transaction ends because of a failure in the A interface (HO failure)on the new channel during a handover attempt and the RRM releases the TCH.This counter is updated in call phases 12-14 only. See figure Unsuccessfulexternal handover, MS sends a handover failure.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S3

Definition updatedin release:

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2.91 001090 / TCH REQ UND OVER

CounterID: 001090

Networkelement name: TCH REQ UND OVER

Version: 2.1 NetAct name: TCH_REQUEST_UND_OVER

Description:Number of TCH requests for an underlay overlay HO. Updated only to normalTRX record, not to extended TRX record. Counter 001010 is updated along withthis counter.

Updated:When the RRM receives a TCH request for an underlay overlay HO. See figures:- Successful internal intra-cell handover - Internal intra-cell HO, successfulTCH queuing - Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed - Internal directed retry - Successful internal inter-cellhandover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSC4016:Intelligent Underlay-Overlay

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S4

Definition updatedin release:

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2.92 001091 / TCH SEIZ UND OVER

CounterID: 001091

Networkelement name: TCH SEIZ UND OVER

Version: 2.1 NetAct name: TCH_SEIZ_UND_OVER

Description:Number of TCH seizures for an underlay overlay HO. Counter 001008 is updatedalong with this counter.

Updated:When the RRM allocates a TCH as a response to a TCH request for an underlayoverlay HO. Updated only to normal TRX record, not to extended TRX record.See figures: - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Successful internal inter-cell handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

Operability class:

Relatedto feature:

BSC4016:Intelligent Underlay-Overlay

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S4

Definition updatedin release:

2.93 001092 / TCH REJ REQ UND OVE

CounterID: 001092

Networkelement name: TCH REJ REQ UND OVE

Version: 2.1 NetAct name: TCH_REJ_UND_OVER

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Description:Number of TCH requests for an underlay overlay HO rejected because of a lackof resources. Counter 001011 is updated along with this counter.

Updated:When the RRM rejects a TCH request for an underlay overlay HO because of lackof resources. Updated only to normal TRX record, not to extended TRX record.See figure Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

Operability class:

Relatedto feature:

BSC4016:Intelligent Underlay-Overlay

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S4

Definition updatedin release:

2.94 001093 / SUCC MOC TEST CALL

CounterID: 001093

Networkelement name: SUCC MOC TEST CALL

Version: 2.1 NetAct name: SUCC_MOC_TEST_CALL

Description:Number of successful MOC test calls during a scheduled test.

Updated:When the RRM receives a message from the BTTEST.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

Operability class:

Relatedto feature:

BSC4531:BTS Testing: Scheduled MOC

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S4

Definition updatedin release:

2.95 001094 / FAIL MOC TEST CALL

CounterID: 001094

Networkelement name: FAIL MOC TEST CALL

Version: 2.1 NetAct name: FAIL_MOC_TEST_CALL

Description:Number of unsuccessful MOC test calls during a scheduled test.

Updated:When the RRM receives a message from the BTTEST.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSC4531:BTS Testing: Scheduled MOC

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S4

Definition updatedin release:

2.96 001095 / PRI SUBSCR TCH REQ

CounterID: 001095

Networkelement name: PRI SUBSCR TCH REQ

Version: 2.1 NetAct name: TCH_PRI_SUBSCR_REQ

Description:Number of TCH requests of the type priority subscriber. Counter 001010 isupdated along with this counter.

Updated:When the RRM receives a TCH request either in a call or HO attempt and theMS priority level in the priority information element (PIE) indicates thatthe MS is a priority subscriber. See figures: - Basic call with prioritysubscriber - Unsuccessful forced release - Unsuccessful forced release withexternal handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSS5190:Enhanced Trunk Reservation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.97 001096 / PRI SUBSCR SUCC TCH SEIZ

CounterID: 001096

Networkelement name: PRI SUBSCR SUCC TCH SEIZ

Version: 2.1 NetAct name: TCH_PRI_SUBSCR_SUCC_SEIZ

Description:Number of successful TCH seizures of the type priority subscriber. Counter001008 or 001009 is updated along with this counter.

Updated:When the RRM allocates a TCH as a response to a TCH request in either a callor HO attempt and the MS priority level in the priority information element(PIE) indicates that the MS is a priority subscriber. See figure Basic callwith priority subscriber.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

Operability class:

Relatedto feature:

BSS5190:Enhanced Trunk Reservation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.98 001097 / NO PRI SUBSCR REFUSED TCH REQ

CounterID: 001097

Networkelement name: NO PRI SUBSCR REFUSED TCH REQ

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Version: 2.1 NetAct name: TCH_NO_PRI_SUBSCR_REFUSED_REQ

Description:Number of TCH requests of the type non-priority subscriber that are rejectedbecause there are no resources available to subscribers other than prioritysubscribers. Counter 001042 is updated along with this counter.

Updated:When the RRM rejects a TCH request because of no resources available to subscribersother than priority subscribers. See figure Unsuccessful trunk reservation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001042:TRUNK RES INVOC RES REFUSED

Operability class:

Relatedto feature:

BSS5190:Enhanced Trunk Reservation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.99 001098 / TCH SEIZ ATT DUE SDCCH CON

CounterID: 001098

Networkelement name: TCH SEIZ ATT DUE SDCCH CON

Version: 2.1 NetAct name: TCH_SEIZ_ATT_DUE_SDCCH_CON

Description:Number of attempts to seize a TCH because of SDCCH congestion. Counters 001010and 001043 are updated along with this counter.

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Updated:When the RRM attempts to allocate a TCH as a response to a request for anSDCCH seizure during SDCCH congestion. The RRM does this if the TCH allocation(=FACCH setup) is allowed in the message carrying the request for the SDCCHseizure. See figures: - FACCH call setup due to SDCCH congestion with counters- FACCH call setup because of SDCCH congestion

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

001043:TCH REQ FACCH CALLSET

Operability class:

Relatedto feature:

BSS5290:FACCH Call Setup due to SDCCH Congestion

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.100 001099 / TCH SEIZ DUE SDCCH CON

CounterID: 001099

Networkelement name: TCH SEIZ DUE SDCCH CON

Version: 2.1 NetAct name: TCH_SEIZ_DUE_SDCCH_CON

Description:Number of successful TCH seizures because of congestion on the SDCCH. Thiscounter is updated along with counter 001044.

Updated:When the RRM allocates a TCH as a response to a request for SDCCH seizureduring congestion on the SDCCHs. The RRM allocates a TCH if the TCH allocation(=FACCH setup) is allowed in the message carrying the request for the SDCCHseizure. See figure FACCH call setup due to SDCCH congestion with counters.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001044:TCH SEIZ FACCH CALL SET

Operability class:

Relatedto feature:

BSS5290:FACCH Call Setup due to SDCCH Congestion

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.101 001100 / TRUNK TCH REJECTED FR REQ

CounterID: 001100

Networkelement name: TRUNK TCH REJECTED FR REQ

Version: 2.1 NetAct name: TCH_TRUNK_REFUSED_FR_REQ

Description:Number of requests for trunk reservation function that result in the rejectionof TCH allocation when FR or preferred FR TCH has been requested. Counter001042 is updated along with this counter.

Updated:When the RRM denies access by applying the trunk reservation function andFR or preferred FR TCH has been requested. See figure Unsuccessful trunkreservation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001042:TRUNK RES INVOC RES REFUSED

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Operability class:

Relatedto feature:

BSS5190:Enhanced Trunk Reservation

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.102 001101 / TRUNK TCH REJECTED HR REQ

CounterID: 001101

Networkelement name: TRUNK TCH REJECTED HR REQ

Version: 2.1 NetAct name: TCH_TRUNK_REFUSED_HR_REQ

Description:Number of requests for trunk reservation function that result in rejectionof TCH allocation when HR or preferred HR TCH has been requested. Counter001042 is updated along with this counter.

Updated:When the RRM denies access by applying the trunk reservation function andHR or preferred HR TCH has been requested. See figure Unsuccessful trunkreservation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001042:TRUNK RES INVOC RES REFUSED

Operability class:

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Relatedto feature:

BSS5190:Enhanced Trunk Reservation

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.103 001102 / FULL TCH REQ SUCC UNSUCC

CounterID: 001102

Networkelement name: FULL TCH REQ SUCC UNSUCC

Version: 2.1 NetAct name: TCH_FULL_REQ_SUCC_UNSUCC

Description:Number of requests for FR TCH (both successful and unsuccessful). Counter001010 is updated along with this counter.

Updated:When the RRM receives a TCH request either in a call or in a handover attemptand FR TCH channel is requested. NOTE! This counter is updated when thechannel rate of the requested TCH is defined to be FR only; the type of theTCH may be limited either by an assignment request or a handover request fromthe A interface, or it may be because of the BSC restricting the selectionof channel type in TCH allocation. See figures: - Basic call with counters- Basic call with priority subscriber - Basic call, no free TCH and queuingor directed retry is not allowed - Successful TCH queuing - Basic call,no free TCHs, unsuccessful queuing and directed retry not activated - Unsuccessfultrunk reservation - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Unsuccessful underlay overlay internal intra-cellhandover, queuing not allowed - Internal intra-cell handover, unsuccessfulTCH queuing - Internal directed retry - Successful internal inter-cell handover- Successful external handover, target - Successful forced release - Unsuccessfulforced release - Unsuccessful forced release with external handover - Successfulforced handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.104 001103 / HALF TCH REQ SUCC UNSUCC

CounterID: 001103

Networkelement name: HALF TCH REQ SUCC UNSUCC

Version: 2.1 NetAct name: TCH_HALF_REQ_SUCC_UNSUCC

Description:Number of requests for HR TCH requests (both successful and unsuccessful).Counter 001010 is updated along with this counter.

Updated:When the RRM receives a TCH request either in a call or HO attempt and HRTCH channel is requested. NOTE! This counter is updated when the channel rateof the requested TCH is defined to be HR only; the type of the TCH may belimited either by an assignment request or a handover request from the A interface,or it may be because of the BSC restricting the selection of channel typein TCH allocation. See figures: - Basic call with counters - Basic callwith priority subscriber - Basic call, no free TCH and queuing or directedretry is not allowed - Successful TCH queuing - Basic call, no free TCHs,unsuccessful queuing and directed retry not activated - Unsuccessful trunkreservation - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Unsuccessful underlay overlay internal intra-cellhandover, queuing not allowed - Internal intra-cell handover, unsuccessfulTCH queuing - Internal directed retry - Successful internal inter-cell handover- Successful external handover, target - Successful forced release - Unsuccessfulforced release - Unsuccessful forced release with external handover - Successfulforced handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.105 001104 / TCH REQ FULL PREFERRED

CounterID: 001104

Networkelement name: TCH REQ FULL PREFERRED

Version: 2.1 NetAct name: TCH_FULL_REQ_PREFERRED

Description:Number of TCH requests with FR preferred (both successful and unsuccessful).Counter 001010 is updated along with this counter.

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Updated:When the RRM receives a TCH request either in a call or HO attempt and FRor HR TCH channel is requested alternatively with FR preferred. NOTE! Thepreferred channel rate can be defined either by an assignment request or HOrequest received from the A interface or by software which is activated onthe BSC for controlling the selection of the channel type in TCH allocation.In the latter case the preferred channel type can be quite the opposite tothe one initially set by the MSC. See figures: - Basic call with counters- Basic call with priority subscriber - Basic call, no free TCH and queuingor directed retry is not allowed - Successful TCH queuing - Basic call,no free TCHs, unsuccessful queuing and directed retry not activated - TCHassignment failure with cause switch_circuit_pool, queuing and directed retrynot allowed - Unsuccessful trunk reservation - Successful internal intra-cellhandover - Internal intra-cell HO, successful TCH queuing - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Internal directed retry- Successful internal inter-cell handover - Successful external handover,target - Successful forced release - Unsuccessful forced release - Unsuccessfulforced release with external handover - Successful forced handover - Unsuccessfulforced handover - Unsuccessful forced handover with external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.106 001105 / TCH REQ HALF PREFERRED

CounterID: 001105

Networkelement name: TCH REQ HALF PREFERRED

Version: 2.1 NetAct name: TCH_HALF_REQ_PREFERRED

Description:Number of TCH requests with HR preferred (both successful and unsuccessful).Counter 001010 is updated along with this counter.

Updated:When the RRM receives a TCH request either in a call or HO attempt and FRor HR TCH channel is requested alternatively with HR preferred. NOTE! Thepreferred channel rate can be defined either by assignment request or HO requestreceived from the A interface or by softwares which are activated on the BSCfor controlling the selection of the channel type in TCH allocation. In thelatter case the preferred channel type can be quite the opposite to the oneinitially set by the MSC. See figures: - Basic call with counters - Basiccall with priority subscriber - Basic call, no free TCH and queuing or directedretry is not allowed - Successful TCH queuing - Basic call, no free TCHs,unsuccessful queuing and directed retry not activated - TCH assignment failurewith cause switch_circuit_pool, queuing and directed retry not allowed -Unsuccessful trunk reservation - Successful internal intra-cell handover- Internal intra-cell HO, successful TCH queuing - Unsuccessful underlayoverlay internal intra-cell handover, queuing not allowed - Internal intra-cellhandover, unsuccessful TCH queuing - Internal directed retry - Successfulinternal inter-cell handover - Successful external handover, target - Successfulforced release - Unsuccessful forced release - Unsuccessful forced releasewith external handover - Successful forced handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S5

Definition updatedin release:

2.107 001106 / SUCC FULL TCH SEIZ

CounterID: 001106

Networkelement name: SUCC FULL TCH SEIZ

Version: 2.1 NetAct name: TCH_FULL_SUCC_SEIZ

Description:Number of successful FR TCH seizures. Either counter 001008 or counter 001009is updated along with this counter.

Updated:When the RRM allocates an FR TCH as a response to a TCH request. See figures:- Basic call with counters - Basic call with priority subscriber - SuccessfulTCH queuing - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Successful internal inter-cell handover - Successfulexternal handover, target - Successful forced release - Successful forcedhandover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.108 001107 / SUCC HALF TCH SEIZ

CounterID: 001107

Networkelement name: SUCC HALF TCH SEIZ

Version: 2.1 NetAct name: TCH_HALF_SUCC_SEIZ

Description:Number of successful HR TCH seizures. Either counter 001008 or counter 001009is updated along with this counter.

Updated:When the RRM allocates an HR TCH as a response to a TCH request. See figures:- Basic call with counters - Basic call with priority subscriber - SuccessfulTCH queuing - Successful internal intra-cell handover - Internal intra-cellHO, successful TCH queuing - Successful internal inter-cell handover - Successfulexternal handover, target - Successful forced release - Successful forcedhandover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.109 001108 / FULL TCH SEIZ SPEECH VER 1

CounterID: 001108

Networkelement name: FULL TCH SEIZ SPEECH VER 1

Version: 2.1 NetAct name: TCH_FULL_SEIZ_SPEECH_VER1

Description:Number of successful FR TCH seizures when speech FR version 1 is in use.

Updated:When an FR TCH allocated for speech is released and the FR codec version 1is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.110 001109 / FULL TCH SEIZ SPEECH VER 2

CounterID: 001109

Networkelement name: FULL TCH SEIZ SPEECH VER 2

Version: 2.1 NetAct name: TCH_FULL_SEIZ_SPEECH_VER2

Description:Number of successful FR TCH seizures when speech FR version 2 is in use.

Updated:When an FR TCH allocated for speech is released and the FR codec version 2is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.111 001110 / FULL TCH SEIZ SPEECH VER 3

CounterID: 001110

Networkelement name: FULL TCH SEIZ SPEECH VER 3

Version: 2.1 NetAct name: TCH_FULL_SEIZ_SPEECH_VER3

Description:Number of successful FR TCH seizures when speech FR version 3 is in use.

Updated:When an FR TCH allocated for speech is released and the FR codec version 3is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.112 001111 / HALF TCH SEIZ SPEECH VER 1

CounterID: 001111

Networkelement name: HALF TCH SEIZ SPEECH VER 1

Version: 2.1 NetAct name: TCH_HALF_SEIZ_SPEECH_VER1

Description:Number of successful HR TCH seizures when speech FR version 1 is in use.

Updated:When an HR TCH allocated for speech is released and the HR codec version 1is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.113 001112 / HALF TCH SEIZ SPEECH VER 2

CounterID: 001112

Networkelement name: HALF TCH SEIZ SPEECH VER 2

Version: 2.1 NetAct name: TCH_HALF_SEIZ_SPEECH_VER2

Description:Number of successful HR TCH seizures when speech FR version 2 is in use.

Updated:When an HR TCH allocated for speech is released and the HR codec version 2is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.114 001113 / HALF TCH SEIZ SPEECH VER 3

CounterID: 001113

Networkelement name: HALF TCH SEIZ SPEECH VER 3

Version: 2.1 NetAct name: TCH_HALF_SEIZ_SPEECH_VER3

Description:Number of successful HR TCH seizures when speech FR version 3 is in use.

Updated:When an HR TCH allocated for speech is released and the HR codec version 3is in use. See figures: - Normal release - Unsuccessful TCH activation- Unsuccessful TCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - TCH assignment failure - TCH assignment failure, MSC sends CLEAR_COMMANDmessage - CONNECTION_FAILURE message with cause transcoder_failure duringa call - TRX or TSL is blocked with different causes during a call - Unsuccessfulinternal intra-cell handover, timer expires while waiting for CHANNEL_ACTIVATION_ACKmessage - Unsuccessful internal intra-cell handover, CONNECTION_FAILURE messagewith cause remote_transcoder_failure comes to the target channel - Unsuccessfulinternal intra-cell handover, timer expires on the source channel, call cleared- Unsuccessful internal inter-cell handover - Successful external handover,source - Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message - Unsuccessful external handover, MS sendsa handover failure - Successful forced release - Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.115 001114 / FULL TCH SEIZ NORM ASSIGNMENT

CounterID: 001114

Networkelement name: FULL TCH SEIZ NORM ASSIGNMENT

Version: 2.1 NetAct name: TCH_FULL_SEIZ_NORM_ASS

Description:Number of successful FR TCH seizures for a normal assignment. Counter 001009is updated along with this counter.

Updated:When the RRM allocates an FR TCH as a response to a TCH request in a callattempt. See figures: - Basic call with counters - Basic call with prioritysubscriber - Successful TCH queuing - Successful forced release - Successfulforced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.116 001115 / HALF TCH SEIZ NORM ASSIGNMENT

CounterID: 001115

Networkelement name: HALF TCH SEIZ NORM ASSIGNMENT

Version: 2.1 NetAct name: TCH_HALF_SEIZ_NORM_ASS

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Description:Number of successful HR TCH seizures for a normal assignment. Counter 001009is updated along with this counter.

Updated:When the RRM allocates an HR TCH as a response to a TCH request in a callattempt. See figures: - Basic call with counters - Basic call with prioritysubscriber - Successful TCH queuing - Successful forced release - Successfulforced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.117 001116 / FULL TCH SEIZ INT HO CH RATE

CounterID: 001116

Networkelement name: FULL TCH SEIZ INT HO CH RATE

Version: 2.1 NetAct name: TCH_FULL_SEIZ_INT_HO_CH_RATE

Description:Number of successful FR TCH seizures for an internal HO when the channel ratechanges. Counters 001008 and 001106 are updated along with this counter.

Updated:When the RRM allocates an FR TCH for an internal HO as a response to a TCHrequest and the channel rate is changed from HR to FR. See figures: - Successfulinternal intra-cell handover - Internal intra-cell HO, successful TCH queuing- Successful internal inter-cell handover

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001106:SUCC FULL TCH SEIZ

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.118 001117 / HALF TCH SEIZ INT HO CH RATE

CounterID: 001117

Networkelement name: HALF TCH SEIZ INT HO CH RATE

Version: 2.1 NetAct name: TCH_HALF_SEIZ_INT_HO_CH_RATE

Description:Number of successful HR TCH seizures for an internal HO when the channel ratechanges. Counters 001008 and 001107 are updated along with this counter.

Updated:When the RRM allocates an HR TCH for an internal HO as a response to a TCHrequest and the channel rate is changed from FR to HR. See figures: - Successfulinternal intra-cell handover - Internal intra-cell HO, successful TCH queuing- Successful internal inter-cell handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001107:SUCC HALF TCH SEIZ

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.119 001118 / REJ TCH REQ DUE LACK FR

CounterID: 001118

Networkelement name: REJ TCH REQ DUE LACK FR

Version: 2.1 NetAct name: TCH_REJ_REQ_DUE_LACK_FR

Description:Number of TCH requests that are rejected because of a lack of resources whenFR or preferred FR TCH is requested. Counter 001011 is updated along withthis counter.

Updated:When no TCHs are available when requested from the RRM either in a call orHO attempt and either FR or preferred FR TCH was requested. The counter maybe updated immediately after the TCH request or, in case of queuing, afterthe queuing timer expires. See figures: - Basic call, no free TCH and queuingor directed retry is not allowed - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - TCH assignment failure with causeswitch_circuit_pool, queuing and directed retry not allowed - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Unsuccessful forced release- Unsuccessful forced release with external handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

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Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.120 001119 / REJ TCH REQ DUE LACK HR

CounterID: 001119

Networkelement name: REJ TCH REQ DUE LACK HR

Version: 2.1 NetAct name: TCH_REJ_REQ_DUE_LACK_HR

Description:Number of TCH requests that are rejected because of a lack of resources, whenHR or preferred HR TCH is requested. Counter 001011 is updated along withthis counter.

Updated:When no TCHs are available when requested from the RRM either in a call orHO attempt and either HR or preferred HR TCH was requested. The counter maybe updated immediately after the TCH request or, in case of queuing afterthe queuing, timer expires. See figures: - Basic call, no free TCH andqueuing or directed retry is not allowed - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - TCH assignment failure with causeswitch_circuit_pool, queuing and directed retry not allowed - Unsuccessfulunderlay overlay internal intra-cell handover, queuing not allowed - Internalintra-cell handover, unsuccessful TCH queuing - Unsuccessful forced release- Unsuccessful forced release with external handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.121 001120 / FULL TCH REJ DUE HR TRAF

CounterID: 001120

Networkelement name: FULL TCH REJ DUE HR TRAF

Version: 2.1 NetAct name: TCH_FULL_REJ_DUE_HR_TRAF

Description:Number of requests for FR TCHs that are rejected because of HR traffic, whetherqueuing occurred or not.

Updated:When no FR TCH is available in a situation where HR calls are being maintainedin DR TSLs and there are free HR TCHs among the DR or permanent HR resourcesfor at least two HR calls. NOTE! The counter is incremented on receipt ofthe request for the FR TCH, regardless of whether the request is set in thequeue, pre-empted, subjected to directed retry or some other procedure ofthe kind. See figures: - FACCH call setup due to SDCCH congestion, no freeTCH channel - Basic call, no free TCH and queuing or directed retry is notallowed - Successful TCH queuing - Basic call, no free TCHs, unsuccessfulqueuing and directed retry not activated - Unsuccessful trunk reservation- Internal intra-cell HO, successful TCH queuing - Unsuccessful underlayoverlay internal intra-cell handover, queuing not allowed - Internal intra-cellhandover, unsuccessful TCH queuing - Successful forced release - Unsuccessfulforced release - Unsuccessful forced release with external handover - Successfulforced handover - Unsuccessful forced handover - Unsuccessful forced handoverwith external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

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Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.122 001121 / HALF TCH REJ DUE FR TRAF

CounterID: 001121

Networkelement name: HALF TCH REJ DUE FR TRAF

Version: 2.1 NetAct name: TCH_HALF_REJ_DUE_FR_TRAF

Description:Number of requests for HR TCHs that are rejected because of FR traffic, whetherqueuing occurred or not.

Updated:When no HR TCH is available in a situation where a FR call is being maintainedin a DR TSL and at the same time there is a permanent FR type TSL free.NOTE! The counter is incremented on receipt of the request for HR TCH, regardlessof whether the request is set in the queue, pre-empted, subjected to directedretry or some other procedure of the kind See figures: - FACCH call setupdue to SDCCH congestion, no free TCH channel - Basic call, no free TCH andqueuing or directed retry is not allowed - Successful TCH queuing - Basiccall, no free TCHs, unsuccessful queuing and directed retry not activated- Unsuccessful trunk reservation - Internal intra-cell HO, successful TCHqueuing - Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed - Internal intra-cell handover, unsuccessful TCH queuing - Successfulforced release - Unsuccessful forced release - Unsuccessful forced releasewith external handover - Successful forced handover - Unsuccessful forcedhandover - Unsuccessful forced handover with external handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.123 001122 / TCH REJ DUE REQ CH A IF CRC

CounterID: 001122

Networkelement name: TCH REJ DUE REQ CH A IF CRC

Version: 2.1 NetAct name: TCH_REJ_DUE_REQ_CH_A_IF_CRC

Description:Number of requests for TCHs that are rejected because of a mismatch betweenthe types of the requested channel and the A interface circuit, whether queuingoccurred or not. Counter 001011 and counter 001118 or 001119 are updatedalong with this counter.

Updated:When the RRM changes the A interface circuit pool before TCH allocation.See figure TCH assignment failure with cause switch_circuit_pool, queuingand directed retry not allowed.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

001118:REJ TCH REQ DUE LACK FR

001119:REJ TCH REQ DUE LACK HR

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Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.124 001123 / FULL TCH REQ FACCH CALL

CounterID: 001123

Networkelement name: FULL TCH REQ FACCH CALL

Version: 2.1 NetAct name: TCH_FULL_REQ_FAST_CALL

Description:Number of requests for FR TCH in FACCH call setup during SDCCH congestion(both successful and unsuccessful). Counters 001010, 001043 and 001098 areupdated along with this counter.

Updated:When the RRM receives a request for SDCCH allocation but no idle SDCCHs existand TCH allocation (=FACCH call setup) is allowed in the request which alsoindicates that the TCH rate should be FR. See figures: - FACCH call setupdue to SDCCH congestion with counters - FACCH call setup due to SDCCH congestion,no free TCH channel

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

001043:TCH REQ FACCH CALLSET

001098:TCH SEIZ ATT DUE SDCCH CON

Operability class:

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Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.125 001124 / TCH FACCH CALL CH RATE NOT DEF

CounterID: 001124

Networkelement name: TCH FACCH CALL CH RATE NOT DEF

Version: 2.1 NetAct name: TCH_FAST_CALL_CH_RATE_NOT_DET

Description:Number of requests for TCHs in FACCH call setup during SDCCH congestion whenthe TCH rate is not defined to be uniquely FR or HR (both successful and unsuccessful).Counters 001010, 001043 and 001098 are updated along with this counter.

Updated:When the RRM receives a request for SDCCH allocation but no idle SDCCHs existand TCH allocation (=FACCH call setup) is allowed in the request which alsoindicates that either of the two possible channel rates is accepted to beallocated. See figures: - FACCH call setup due to SDCCH congestion withcounters - FACCH call setup due to SDCCH congestion, no free TCH channel

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

001043:TCH REQ FACCH CALLSET

001098:TCH SEIZ ATT DUE SDCCH CON

Operability class:

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Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.126 001125 / SUCC FULL TCH SEIZ FACCH CALL

CounterID: 001125

Networkelement name: SUCC FULL TCH SEIZ FACCH CALL

Version: 2.1 NetAct name: TCH_SUCC_FULL_SEIZ_FAST_CALL

Description:Number of successful FR TCHs seizures for a FACCH call setup. Counter 001044is updated along with this counter.

Updated:When the RRM allocates an FR TCH as a response to an SDCCH request as partof the FACCH call setup during SDCCH congestion. See figure FACCH call setupdue to SDCCH congestion with counters.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001044:TCH SEIZ FACCH CALL SET

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.127 001126 / SUCC HALF TCH SEIZ FACCH CALL

CounterID: 001126

Networkelement name: SUCC HALF TCH SEIZ FACCH CALL

Version: 2.1 NetAct name: TCH_SUCC_HALF_SEIZ_FAST_CALL

Description:Number of successful HR TCHs seizures for a FACCH call setup. Counter 001044is updated along with this counter.

Updated:When the RRM allocates an HR TCH as a response to an SDCCH request as partof the FACCH call setup during SDCCH congestion. See figure FACCH call setupdue to SDCCH congestion with counters.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001044:TCH SEIZ FACCH CALL SET

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.128 001127 / ENDED DUE TRANSC FR RATE 1

CounterID: 001127

Networkelement name: ENDED DUE TRANSC FR RATE 1

Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_FR_RATE1

Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech FR version 1 is in use.

Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the FR codec version 1 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.129 001128 / ENDED DUE TRANSC FR RATE 2

CounterID: 001128

Networkelement name: ENDED DUE TRANSC FR RATE 2

Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_FR_RATE2

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Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech FR version 2 is in use.

Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the FR codec version 2 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.130 001129 / ENDED DUE TRANSC FR RATE 3

CounterID: 001129

Networkelement name: ENDED DUE TRANSC FR RATE 3

Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_FR_RATE3

Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech FR version 3 is in use.

Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the FR codec version 3 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.131 001130 / ENDED DUE TRANSC HR RATE 1

CounterID: 001130

Networkelement name: ENDED DUE TRANSC HR RATE 1

Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_HR_RATE1

Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech HR version 1 is in use.

Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the HR codec version 1 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.132 001131 / ENDED DUE TRANSC HR RATE 2

CounterID: 001131

Networkelement name: ENDED DUE TRANSC HR RATE 2

Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_HR_RATE2

Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech HR version 2 is in use.

Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the HR codec version 2 is in use. See figures: - CONNECTION_FAILUREmessage with cause transcoder_failure during a call - Unsuccessful internalintra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

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2.133 001132 / ENDED DUE TRANSC HR RATE 3

CounterID: 001132

Networkelement name: ENDED DUE TRANSC HR RATE 3

Version: 2.1 NetAct name: TCH_ENDED_DUE_TRANSC_HR_RATE3

Description:Number of radio TCH transactions that are ended because of a transcoder failurewhen speech HR version 3 is in use.

Updated:When one of the transcoder failure counters 001029, 001030 or 001031 is updatedand the HR codec version 3 is in use. See figures: - CONNECTION_FAILURE messagewith cause transcoder_failure during a call - Unsuccessful internal intra-cellhandover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.134 001133 / FULL TCH TR FAIL

CounterID: 001133

Networkelement name: FULL TCH TR FAIL

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Version: 2.1 NetAct name: TCH_FULL_TR_FAIL

Description:Total number of FR TCH transaction failures.

Updated:When an FR TCH transaction ends because of any abnormal reason, that is, somespecific failure counter has been updated, and the RRM releases the FR TCH.See figures: - Unsuccessful TCH activation - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure - TCH assignment failure, MSC sends CLEAR_COMMAND message -CONNECTION_FAILUREmessage with cause transcoder_failure during a call - TRX or TSL is blockedwith different causes during a call - Unsuccessful internal intra-cell handover,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessfulinternal intra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel - Unsuccessful internal intra-cell handover,timer expires on the source channel, call cleared - Unsuccessful internalinter-cell handover - Unsuccessful external handover, source BSC, timer expireswhile waiting for CLEAR_COMMAND message - Unsuccessful external handover,MS sends a handover failure - Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.135 001134 / HALF TCH TR FAIL

CounterID: 001134

Networkelement name: HALF TCH TR FAIL

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Version: 2.1 NetAct name: TCH_HALF_TR_FAIL

Description:Total number of HR TCH transaction failures.

Updated:When an HR TCH transaction ends because of any abnormal reason, that is, somespecific failure counter has been updated, and the RRM releases the HR TCH.See figures: - Unsuccessful TCH activation - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure - TCH assignment failure, MSC sends CLEAR_COMMAND message -CONNECTION_FAILUREmessage with cause transcoder_failure during a call - TRX or TSL is blockedwith different causes during a call - Unsuccessful internal intra-cell handover,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - Unsuccessfulinternal intra-cell handover, CONNECTION_FAILURE message with cause remote_transcoder_failurecomes to the target channel - Unsuccessful internal intra-cell handover,timer expires on the source channel, call cleared - Unsuccessful internalinter-cell handover - Unsuccessful external handover, source BSC, timer expireswhile waiting for CLEAR_COMMAND message - Unsuccessful external handover,MS sends a handover failure - Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS5010:Half Rate

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S5

Definition updatedin release:

2.136 001135 / SDCCH SEIZ ATT FOR MOC

CounterID: 001135

Networkelement name: SDCCH SEIZ ATT FOR MOC

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Version: 2.1 NetAct name: SDCCH_MOC_SEIZ_ATT

Description:Number of SDCCH seizure attempts for an MOC. In case of an external handoverand handovers after external handover this counter is not incremented. Incase of an intra-cell or inter-cell (SDCCH to SDCCH) handover this counteris updated. Counter 001000 is updated along with this counter.

Updated:When the RRM receives a request for a SDCCH from an MS because the MS needsa channel for an MOC. Note that this counter contains all requests for anSDCCH in originating direction, for example Mobile Originating calls, LocationUpdates, Supplementary Service requests and SMS on SDCCH. In case of an SMSthis counter is triggered even if the SMS would eventually be sent on TCHinstead of SDCCH. See figures: - Basic call with counters - FACCH callsetup due to SDCCH congestion with counters - FACCH call setup due to SDCCHcongestion, no free TCH channel - SDCCH congestion, FACCH call setup is notactivated - Successful SDCCH internal intra-cell handover - Successful SDCCHinternal inter-cell handover - Reconfiguration from TCH to SDCCH

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001000:SEIZURE ATTEMPTS

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.137 001136 / SDCCH SEIZ ATT FOR MTC

CounterID: 001136

Networkelement name: SDCCH SEIZ ATT FOR MTC

Version: 2.1 NetAct name: SDCCH_MTC_SEIZ_ATT

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Description:Number of SDCCH seizure attempts for an MTC. In case of an external handoverand handovers after external handover this counter is not incremented. Incase of an intra-cell or inter-cell (SDCCH to SDCCH) handover this counteris updated. Counter 001000 is updated along with this counter.

Updated:When the RRM receives a request for a SDCCH from an MS as the MS needs a channelfor an MTC. Note that this counter contains all requests for an SDCCH in terminatingdirection, for example Mobile Terminating calls and SMS on SDCCH. In caseof an SMS this counter is triggered even if the SMS would eventually be senton TCH instead of SDCCH. See figures: - Basic call with counters - FACCHcall setup due to SDCCH congestion with counters - FACCH call setup due toSDCCH congestion, no free TCH channel - SDCCH congestion, FACCH call setupis not activated - Successful SDCCH internal intra-cell handover - SuccessfulSDCCH internal inter-cell handover - Reconfiguration from TCH to SDCCH

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001000:SEIZURE ATTEMPTS

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.138 001137 / TCH SEIZ ATT FOR MOC

CounterID: 001137

Networkelement name: TCH SEIZ ATT FOR MOC

Version: 2.1 NetAct name: TCH_MOC_SEIZ_ATT

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Description:Number of TCH seizure attempts during an MOC, in call setup phase before connectionacknowledgement. In case of an external handover and handovers after externalhandover this counter is not incremented. In case of an intra-cell or inter-cell(TCH to TCH or SDCCH to TCH) handover this counter is updated. Counter 001010is updated along with this counter.

Updated:When RRM receives requests for a TCH for an MOC. In FACCH call setup RRM attemptsto allocate a TCH as a response to a request for an SDCCH seizure during SDCCHcongestion. See figures: - Basic call with counters - Basic call withpriority subscriber - FACCH call setup due to SDCCH congestion with counters- FACCH call setup due to SDCCH congestion, no free TCH channel - Basiccall, no free TCH and queuing or directed retry is not allowed - SuccessfulTCH queuing - Basic call, no free TCHs, unsuccessful queuing and directedretry not activated - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful trunk reservation- Successful internal intra-cell handover - Internal intra-cell HO, successfulTCH queuing - Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed - Internal intra-cell handover, unsuccessful TCH queuing- Internal directed retry - Successful internal inter-cell handover - Successfulforced release - Unsuccessful forced release - Successful forced handover- Unsuccessful forced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

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2.139 001138 / TCH SEIZ ATT FOR MTC

CounterID: 001138

Networkelement name: TCH SEIZ ATT FOR MTC

Version: 2.1 NetAct name: TCH_MTC_SEIZ_ATT

Description:Number of TCH seizure attempts during an MTC, in call setup phase before connectionacknowledgement. In case of an external handover and handovers after externalhandover this counter is not incremented. In case of an intra-cell or inter-cell(TCH to TCH or SDCCH to TCH) handover this counter is updated. Counter 001010is updated along with this counter.

Updated:When RRM receives requests for a TCH for an MTC. In FACCH call setup RRM attemptsto allocate a TCH as a response to a request for an SDCCH seizure during SDCCHcongestion. See figures: - Basic call with counters - Basic call withpriority subscriber - FACCH call setup due to SDCCH congestion with counters- FACCH call setup due to SDCCH congestion, no free TCH channel - Basiccall, no free TCH and queuing or directed retry is not allowed - SuccessfulTCH queuing - Basic call, no free TCHs, unsuccessful queuing and directedretry not activated - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful trunk reservation- Successful internal intra-cell handover - Internal intra-cell HO, successfulTCH queuing - Unsuccessful underlay overlay internal intra-cell handover,queuing not allowed - Internal intra-cell handover, unsuccessful TCH queuing- Internal directed retry - Successful internal inter-cell handover - Successfulforced release - Unsuccessful forced release - Successful forced handover- Unsuccessful forced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

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2.140 001139 / TCH REL BECAUSE OF RADIO FAIL

CounterID: 001139

Networkelement name: TCH REL BECAUSE OF RADIO FAIL

Version: 2.1 NetAct name: TCH_REL_DUE_RADIO_FAIL

Description:Number of TCH releases because of radio failures, in call setup phase beforeconnection acknowledgement. This counter is also updated in an intra-cellor inter-cell handover, if the TCH is released because of a radio failurebefore the conversation phase (handover is started and it fails before a connectionacknowledgement message is received). Counter 001013 is updated along withthis counter.

Updated:When a TCH is released because of a radio failure. This counter is updatedin call phases 2, 3, 5, or 8-14 only. See figure Timer T3107 expires whilewaiting for ASSIGNMENT_COMPLETE message.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001013:TRANSACTIONS ENDED DUE RADIO FAIL

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.141 001140 / TCH REL DUE TO BSS FAIL

CounterID: 001140

Networkelement name: TCH REL DUE TO BSS FAIL

Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL

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Description:Number of TCH releases because of BSS failures, in call setup phase beforeconnection acknowledgement. This counter is also updated in intra-cell orinter-cell handover, if the TCH is released because of BSS problems beforeconversation phase (handover is started and fails before connection acknowledgementmessage is received). Counter 001012 is updated along with this counter.

Updated:When a TCH is released because of BSS problems. This counter is updatedin call phases 2, 3, 5, or 8-14 only. See figures: - Unsuccessful TCH activation,timer expires while waiting for CHANNEL_ACTIVATION_ACK message - TCH assignmentfailure, MSC sends CLEAR_COMMAND message

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001012:TRANSACTIONS ENDED DUE TO BSS PROBLEM

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.142 001141 / TCH SEIZ FAILS DUE TO CONG

CounterID: 001141

Networkelement name: TCH SEIZ FAILS DUE TO CONG

Version: 2.1 NetAct name: TCH_SEIZ_FAILS_DUE_CONG

Description:Number of TCH seizure failures because of congestion during call setup beforeconnection acknowledgement. This counter is also updated in intra-cell orinter-cell handover, if the TCH attempt fails because of congestion beforeconversation phase (handover is started and fails before connection acknowledgementmessage is received). In case of an external handover and handovers afterexternal handover this counter is not incremented. Counter 001011 is updatedalong with this counter.

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Updated:When RRM rejects a TCH request because of congestion. This counter is updatedin phases 2, 3, 5, or 8 only. See figures: - FACCH call setup due to SDCCHcongestion, no free TCH channel - Basic call, no free TCH and queuing ordirected retry is not allowed - Basic call, no free TCHs, unsuccessful queuingand directed retry not activated - TCH assignment failure with cause switch_circuit_pool,queuing and directed retry not allowed - Unsuccessful forced release - Unsuccessfulforced handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.143 001142 / QUEUED URGENT HANDOVERATTEMPTS

CounterID: 001142

Networkelement name: QUEUED URGENT HANDOVER ATTEMPTS

Version: 2.1 NetAct name: QUE_URG_HO_ATT

Description:Number of queued urgent handover attempts. Counters 001010 and 001064 areupdated along with this counter.

Updated:When a TCH request for an urgent handover attempt is put to the queue becauseof a lack of available TCH resources requested. See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessfulTCHqueuing

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

001064:QUE ALL HO REQ ATT

Operability class:

Relatedto feature:

BSS6115:Radio Channel Allocation Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.144 001143 / AVE QUE TIME OF URGENT HOATTEMPTS

CounterID: 001143

Networkelement name: AVE QUE TIME OF URGENT HOATTEMPTS

Version: 2.1 NetAct name: AVE_QUE_TIME_URG_HO_ATT

Description:Numerator of average queuing time of queued urgent handover attempts (unitof the value is 10 ms). In a successful case counters 001008, 001022 and001144 are updated along with this counter. In an unsuccessful case counters001022, 001025, 001068 and 001144 are updated along with this counter.

Updated:When a TCH request for an urgent handover attempt is removed from the queue(both in a successful and an unsuccessful case). See figures: - Internalintra-cell HO, successful TCH queuing - Internal intra-cell handover, unsuccessfulTCH queuing

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Logicaltype: Sum

Trigger type: Duration Sampling interval:

Unit: 10 ms Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001022:AVE QUEUE TIME OF HO ATTEMPTS

001025:NOT SERVED QUEUED HO ATTEMPTS

001144:QUE DENOMINATOR 4

001068:QUE ALL HO REQ FAIL

Operability class:

Relatedto feature:

BSS6115:Radio Channel Allocation Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.145 001144 / QUE DENOMINATOR 4

CounterID: 001144

Networkelement name: QUE DENOMINATOR 4

Version: 2.1 NetAct name:

Description:Denominator of average queuing time of queued urgent handover attempts. Counter001143 is updated along with this counter.

Updated:See figures: - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001143:AVE QUE TIME OF URGENT HO ATTEMPTS

Operability class:

Relatedto feature:

BSS6115:Radio Channel Allocation Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.146 001145 / AVE QUE TIME OF NON URGENT HOATTEMPTS

CounterID: 001145

Networkelement name: AVE QUE TIME OF NON URGENT HOATTEMPTS

Version: 2.1 NetAct name: AVE_QUE_TIME_NON_URG_HO_ATT

Description:Numerator of average queuing time of queued non-urgent handover attempts.In a successful case counters 001008, 001022 and 001146 are updated alongwith this counter. In an unsuccessful case counters 001022, 001025, 001068and 001146 are updated along with this counter.

Updated:When a TCH request for a non-urgent HO attempt is removed from the queue (bothin a successful and unsuccessful case). See figures: - Internal intra-cellHO, successful TCH queuing - Internal intra-cell handover, unsuccessful TCHqueuing

Logicaltype: Sum

Trigger type: Duration Sampling interval:

Unit: 10 ms Range: Example values:

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Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

001022:AVE QUEUE TIME OF HO ATTEMPTS

001025:NOT SERVED QUEUED HO ATTEMPTS

001146:QUE DENOMINATOR 5

001068:QUE ALL HO REQ FAIL

Operability class:

Relatedto feature:

BSS6115:Radio Channel Allocation Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.147 001146 / QUE DENOMINATOR 5

CounterID: 001146

Networkelement name: QUE DENOMINATOR 5

Version: 2.1 NetAct name:

Description:Denominator of average queuing time of queued urgent HO attempts. Counter001145 is updated along with this counter.

Updated:See figures: - Internal intra-cell HO, successful TCH queuing - Internal intra-cellhandover, unsuccessful TCH queuing

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001145:AVE QUE TIME OF NON URGENT HO ATTEMPTS

Operability class:

Relatedto feature:

BSS6115:Radio Channel Allocation Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.148 001147 / QUEUED URG HO ATTS NOT SERVED

CounterID: 001147

Networkelement name: QUEUED URG HO ATTS NOT SERVED

Version: 2.1 NetAct name: QUE_URG_HO_ATT_NOT_SERVED

Description:Number of queued urgent handover attempts not served. Counters 001022, 001025,001068 and 001143 are updated along with this counter.

Updated:When the urgent HO attempt is removed from the queue because of queuing timerexpiry or substitution by a higher priority queuing item. See figure Internalintra-cell handover, unsuccessful TCH queuing.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001022:AVE QUEUE TIME OF HO ATTEMPTS

001025:NOT SERVED QUEUED HO ATTEMPTS

001143:AVE QUE TIME OF URGENT HO ATTEMPTS

001068:QUE ALL HO REQ FAIL

Operability class:

Relatedto feature:

BSS6115:Radio Channel Allocation Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S6

Definition updatedin release:

2.149 001148 / MS SUCC TCH SEIZURE FORASSIGNMENT COMPLETE

CounterID: 001148

Networkelement name: MS SUCC TCH SEIZURE FORASSIGNMENT COMPLETE

Version: 2.1 NetAct name: MS_TCH_SUCC_SEIZ_ASSIGN_CMPLT

Description:Number of times when a MS is successfully on the TCH after an ASSIGNMENT_COMPLETEmessage.

Updated:When an ASSIGNMENT_COMPLETE message is received from the MS via BTS to TCH.The TCH is reserved and the MS is moved from the SDCCH to the TCH. Thiscounter is updated only when a call is established for the first time, notduring handovers. This counter is not updated with softwares FACCH call setupbecause of SDCCH congestion, directed retry procedure in BSC, TCH assignmentto super reuse TRX in IUO and direct access to super re-use TRX in IUO.See figure Normal call.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.150 001149 / CALLS ENDED BY USER DURING DADL/BSETUP

CounterID: 001149

Networkelement name: CALLS ENDED BY USER DURING DADL/BSETUP

Version: 2.1 NetAct name: CALLS_ENDED_USER_DADLB_SETUP

Description:Number of CALLS RELEASED BY USER in a call setup phase during DADL/B handover.

Updated:When the user releases the call in call setup phase and BSC has started toevaluate the potential target cells for DADL/B handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release: S11.5

2.151 001150 / SUCC TCH SEIZ WHEN GOOD QUAL INADJACENTS

CounterID: 001150

Networkelement name: SUCC TCH SEIZ WHEN GOOD QUAL INADJACENTS

Version: 2.0 NetAct name: TCH_SUCC_SEIZ_GOOD_QUAL_ADJ

Description:This counter is no longer in use.

Updated:Not updated

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release: S12

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2.152 001151 / TCH REQ REJ DUE TO BAD QUALITY INADJACENT

CounterID: 001151

Networkelement name: TCH REQ REJ DUE TO BAD QUALITY INADJACENT

Version: 2.0 NetAct name: TCH_REQ_REJ_BAD_QUAL_ADJ

Description:This counter is no longer in use.

Updated:Not updated

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release: S12

2.153 001152 / SUCC TCH SEIZ WHEN QUAL BETWGOOD AND BAD IN ADJACENT

CounterID: 001152

Networkelement name: SUCC TCH SEIZ WHEN QUAL BETWGOOD AND BAD IN ADJACENT

Version: 2.0 NetAct name: TCH_SUCC_SEIZ_BETW_QUAL_ADJ

Description:This counter is no longer in use.

Updated:Not updated

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Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release: S12

2.154 001153 / TCH REQ REJ WHEN QUAL BETW GOODAND BAD IN ADJACENT

CounterID: 001153

Networkelement name: TCH REQ REJ WHEN QUAL BETW GOODAND BAD IN ADJACENT

Version: 2.0 NetAct name: TCH_REQ_REJ_BETW_QUAL_ADJ

Description:This counter is no longer in use.

Updated:Not updated

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release: S12

2.155 001154 / DYNAMIC SDCCH RECONFIGURATIONATTEMPT

CounterID: 001154

Networkelement name: DYNAMIC SDCCH RECONFIGURATIONATTEMPT

Version: 2.1 NetAct name: SDCCH_DYNAMIC_RECONF_ATT

Description:Number of SDCCH reconfiguration attempts for immediate assignment. Counters001000 and 001007 are updated along with this counter.

Updated:When an SDCCH channel is needed for an immediate assignment and no free SDCCHsare available and the request is sent for reconfiguring a TCH channel to anSDCCH channel. This counter is not updated if reconfiguration is done fromSDCCH to TCH channel. See figure Reconfiguration from TCH to SDCCH.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001000:SEIZURE ATTEMPTS

001007:SUCCESS SEIZURE FOR IMMEDIATE ASSIGNMENT

Operability class:

Relatedto feature:

BSS7036:Dynamic SDCCH Allocation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S7

Definition updatedin release:

2.156 001155 / UNSUCC IMM ASS SDCCH ATTEMPT

CounterID: 001155

Networkelement name: UNSUCC IMM ASS SDCCH ATTEMPT

Version: 2.1 NetAct name: SDCCH_UNSUCC_IMM_ASSIGN_ATT

Description:Number of unsuccessful SDCCH allocation attempts for immediate assignment.Counter 001001 is updated along with this counter.

Updated:When the SDCCH channel allocation does not succeed because of a lack of SDCCHresources at the time of the immediate assignment. When SDCCH is releasedwith the dx-cause rtsl_reconf_fail_c. Triggered for example when a dynamicSDCCH allocation (1154 DYNAMIC_SDCCH_RECONFIGURATION_ATTEMPT) is tried butit fails. Failure can be caused for example by the following situations.- In the BCSU there cannot be more SDCCH allocated. - All TCHs are busyand cannot be reallocated. - RRM has reconfigured a TCH to SDCCH but ABIcannot do the same. In this case the dynamic SDCCH seized by RRM is releasedwith cause rtsl_reconf_fail and the call attempt fails (blocking). See figureFACCH call setup because of SDCCH congestion with counters.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001001:SEIZURE ATTEMPTS WITH BUSY SDCCH

Operability class:

Relatedto feature:

BSS7036:Dynamic SDCCH Allocation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

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2.157 001156 / HSCSD TCH REQ WITH 14,4

CounterID: 001156

Networkelement name: HSCSD TCH REQ WITH 14,4

Version: 2.1 NetAct name: HSCSD_TCH_REQ_14400

Description:Number of TCH requests for 14.4 kbit/s data. NOTE! Despite its name, thiscounter is not related to High Speed Circuit Switched Data (HSCSD), but thesingle slot 14.4 kbit/s data services. Dependencies: Counters for a TCH request.

Updated:When the RRM receives a TCH request for a single slot 14.4 kbit/s data connectionin a call or a handover attempt. See figures: - Mobile originated HSCSDcall setup - Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

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2.158 001157 / HSCSD SUCC TCH SEIZ WITH 14,4

CounterID: 001157

Networkelement name: HSCSD SUCC TCH SEIZ WITH 14,4

Version: 2.1 NetAct name: HSCSD_TCH_SUCC_SEIZ_14400

Description:Number of successful TCH seizures for 14.4 kbit/s data. NOTE! Despite ofits name, this counter is not related to High Speed Circuit Switched Data(HSCSD), but the single slot 14.4 kbit/s data services. Dependencies: Countersfor a successful TCH seizures.

Updated:When the RRM allocates a TCH/F as a response to a single slot 14.4 kbit/srequest in a call or handover attempt. See figures: - Mobile originatedHSCSD call setup - Successful internal inter-cell handover for HSCSD, targetcell allocations and activations for three channels

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.159 001158 / HSCSD TRANSP TCH REQ

CounterID: 001158

Networkelement name: HSCSD TRANSP TCH REQ

Version: 2.1 NetAct name: HSCSD_TRANSP_TCH_REQ

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Description:Number of transparent HSCSD TCH requests. Counter 001160 or 001161 is updatedalong with this counter.

Updated:When TCH/F(s) is / are requested for a transparent HSCSD service from theRRM in a call or a handover attempt. See figures: - Mobile originated HSCSDcall setup - Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001160:HSCSD REQ FOR CALL SETUP

001161:HSCSD TCH REQ FOR HO

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.160 001159 / HSCSD SUCC TRANSP TCH SEIZ

CounterID: 001159

Networkelement name: HSCSD SUCC TRANSP TCH SEIZ

Version: 2.1 NetAct name: HSCSD_TRANSP_TCH_SUCC_SEIZ

Description:Number of successful transparent HSCSD TCH seizures. Counter 001162 or 001163is updated along with this counter.

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Updated:When TCH/F has been successfully allocated for transparent HSCSD service byRRM. Incrementation is made only by the HSCSD main channel allocation. Seefigures: - Mobile originated HSCSD call setup - Successful internal inter-cellhandover for HSCSD, target cell allocations and activations for three channels

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001162:HSCSD SUCC TCH SEIZ FOR CALL SETUP

001163:HSCSD SUCC TCH SEIZ FOR HO

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.161 001160 / HSCSD REQ FOR CALL SETUP

CounterID: 001160

Networkelement name: HSCSD REQ FOR CALL SETUP

Version: 2.1 NetAct name: HSCSD_REQ_CALL_SETUP

Description:Number of HSCSD TCH requests for a call set-up. Counter 001010 is updatedalong with this counter.

Updated:When the HSCSD data connection is requested from the RRM in a call attempt.See figure Mobile originated HSCSD call setup.

Logicaltype: Sum

Trigger type: Event Sampling interval:

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Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.162 001161 / HSCSD TCH REQ FOR HO

CounterID: 001161

Networkelement name: HSCSD TCH REQ FOR HO

Version: 2.1 NetAct name: HSCSD_TCH_REQ_HO

Description:Number of HSCSD TCH requests for a HO. Counter 001010 is updated along withthis counter.

Updated:When the HSCSD data connection is requested from the RRM in a handover attempt.See figure Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001010:TCH REQUEST SUCCESS AND UNSUCCESS

Operability class:

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Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.163 001162 / HSCSD SUCC TCH SEIZ FOR CALL SETUP

CounterID: 001162

Networkelement name: HSCSD SUCC TCH SEIZ FOR CALLSETUP

Version: 2.1 NetAct name: HSCSD_TCH_SUCC_SEIZ_CALL_SETUP

Description:Number of successful HSCSD TCH seizures for a call set-up. Counter 001009is updated along with this counter.

Updated:When the RRM allocates a main HSCSD TCH/F as a response to an HSCSD call attempt.See figure Mobile originated HSCSD call setup.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.164 001163 / HSCSD SUCC TCH SEIZ FOR HO

CounterID: 001163

Networkelement name: HSCSD SUCC TCH SEIZ FOR HO

Version: 2.1 NetAct name: HSCSD_TCH_SUCC_SEIZ_HO

Description:Number of successful HSCSD TCH seizures for a HO. Counter 001008 is updatedalong with this counter.

Updated:When the RRM allocates a main HSCSD TCH/F as a response to a handover attempt.See figure Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001008:SUCCESS TCH SEIZURE FOR HO

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

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2.165 001164 / HSCSD CON REL DUE TO FAIL

CounterID: 001164

Networkelement name: HSCSD CON REL DUE TO FAIL

Version: 2.1 NetAct name: HSCSD_CON_REL_DUE_FAIL

Description:Number of HSCSD connection releases because of a failure. Impact: HO failure,Call cleared

Updated:When the HSCSD main TCH/F is released with dx_cause indicating a failure.See figure A CONNECTION_FAILURE message which comes during an HSCSD.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS7003:High Speed Circuit Switched Data (HSCSD)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.166 001165 / SUCCESS TCH SEIZURE FOR DIRECTACCESS

CounterID: 001165

Networkelement name: SUCCESS TCH SEIZURE FOR DIRECTACCESS

Version: 2.1 NetAct name: TCH_SUCC_SEIZ_FOR_DIR_ACC

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Description:Number of successful seizures for a TCH in direct accesses to a super-reuseTRX during the call setup phase. Counters 001009 and 001091 are updated alongwith this counter.

Updated:When the RRM allocates a TCH as a response to a TCH request in a call attemptusing direct access to a super-reuse TRX procedure. See figure Internalintra-cell direct access from a regular DCCH to the super-reuse TRX.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001009:SUCCESS TCH SEIZURE FOR NORMAL ASSIGNMENT

001091:TCH SEIZ UND OVER

Operability class:

Relatedto feature:

BSS7057:Direct Access to Super Re-use TRX in IUO

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.167 001166 / TCH REQUEST FOR DIRECT ACCESSREJECTED DUE TO LACK

CounterID: 001166

Networkelement name: TCH REQUEST FOR DIRECT ACCESSREJECTED DUE TO LACK

Version: 2.1 NetAct name: TCH_REQ_DIR_ACC_REJ_DUE_LACK

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Description:Number of requests for a direct access to a super-reuse TRX that are rejectedbecause of a lack of resources during the call setup phase. Counters 001011and 001092 are updated along with this counter.

Updated:When the RRM has no TCHs available for assignment requests in a direct accessattempt to a super-reuse TRX. See figure Unsuccessful internal intra-celldirect access from regular DCCH to the super-reuse TRX due to lack of resources.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001011:TCH REQUEST REJECTED DUE TO LACK

001092:TCH REJ REQ UND OVE

Operability class:

Relatedto feature:

BSS7057:Direct Access to Super Re-use TRX in IUO

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S7

Definition updatedin release:

2.168 001167 / TCH REQUEST FOR A BSC CONTROLLEDTRHO PROCEDURE

CounterID: 001167

Networkelement name: TCH REQUEST FOR A BSC CONTROLLEDTRHO PROCEDURE

Version: 2.1 NetAct name: TCH_REQ_BSC_TRHO

Description:Number of TCH requests for a BSC-controlled TRHO procedure.

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Updated:When the RRM receives a TCH request in a BSC-controlled TRHO attempt. Seefigure Successful BSC controlled TRHO.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS8123:Advanced Multilayer Handling

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release:

2.169 001168 / SUCC TCH SEIZ FOR A BSCCONTROLLED TRHO

CounterID: 001168

Networkelement name: SUCC TCH SEIZ FOR A BSCCONTROLLED TRHO

Version: 2.1 NetAct name: TCH_SUCC_SEIZ_BSC_TRHO

Description:Number of successful TCH seizures for a BSC-controlled TRHO

Updated:When the RRM allocates a TCH as a response to a TCH request in a BSC-controlledTRHO attempt. See figure Successful BSC controlled TRHO.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

BSS8123:Advanced Multilayer Handling

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release:

2.170 001169 / REJ TCH SEIZ FOR A BSC CONTROLLEDTRHO DUE LACK OF RESOURCES

CounterID: 001169

Networkelement name: REJ TCH SEIZ FOR A BSC CONTROLLEDTRHO DUE LACK OF RESOURCES

Version: 2.1 NetAct name: TCH_REQ_REJ_BSC_TRHO_DUE_LACK

Description:Number of rejected TCH requests for a BSC-controlled TRHO procedure becauseof exceeded load in the target cell.

Updated:When the RRM rejects traffic channel allocation because of exceeded load inthe target cell in a BSC-controlled TRHO. See figure Unsuccessful BSC controlledTRHO.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S8

Definition updatedin release:

2.171 001170 / SUCCESSFUL TCH SEIZURES FORDADLB HO

CounterID: 001170

Networkelement name: SUCCESSFUL TCH SEIZURES FOR DADLBHO

Version: 2.1 NetAct name: TCH_SUCC_SEIZ_DADLB_HO

Description:The number of successful TCH seizures because of DADL/B handover.

Updated:The counter is updated when a TCH allocation in the target cell during DADL/Bhandover is successful. BSC internal handover case. See figure Successfulhandover due to DADL/B.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS8032:Direct Access to Desired Layer/Band

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release:

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2.172 001171 / TCH REQUEST IN DADLB HO REJECTED

CounterID: 001171

Networkelement name: TCH REQUEST IN DADLB HO REJECTED

Version: 2.1 NetAct name: TCH_REQ_REJ_DADLB_HO

Description:Number of TCH requests in DADL/B handover rejected because of a lack of TCH.

Updated:The counter is updated when a TCH allocation in the target cell during DADL/Bhandover is unsuccessful because of lack of TCH. BSC internal handover case.See figure Unsuccessful DADL/B handover due to lack of resources.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS8032:Direct Access to Desired Layer/Band

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release:

2.173 001172 / DADLB START DUE TO EXCEEDED LOAD

CounterID: 001172

Networkelement name: DADLB START DUE TO EXCEEDED LOAD

Version: 2.1 NetAct name: DADLB_START_DUE_EXCEEDED_LOAD

Description:Number of DADL/B handover attempts, started because of exceeded load in accessedcell. Counter 004129 is updated if DADL/B HO is started.

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Updated:This counter is updated when channel request is rejected because of excessiveload and Radio Resource management requests a DADL/B handover. If the targetcell is found within MaxTimeLimitDR, the DADL/B handover is started and alsothe counter 004129 is updated. If this timer triggers the DADL/B handoveris not started. See figures: - Successful handover due to DADL/B - UnsuccessfulDADL/B handover due to lack of resources

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

004129:HO ATT DUE TO DADLB

Operability class:

Relatedto feature:

BSS8032:Direct Access to Desired Layer/Band

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release:

2.174 001173 / REMOVAL FROM QUE DUE TO DR

CounterID: 001173

Networkelement name: REMOVAL FROM QUE DUE TO DR

Version: 2.1 NetAct name: REMOVAL_FROM_QUE_DUE_TO_DR

Description:Number of requests removed from the queue because of start of DR.

Updated:This counter is updated when a request is removed from the queue by the RRMbecause of the start of DR. See figure Internal directed retry.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S8

Definition updatedin release:

2.175 001174 / GPRS TER UPGRD REQ

CounterID: 001174

Networkelement name: GPRS TER UPGRD REQ

Version: 2.1 NetAct name: GPRS_TER_UPGRD_REQ

Description:Number of territory upgrade requests received from the Packet Controller Unit.

Updated:When the Radio Resource Management receives from the Packet Controller Unita request for new radio time slots to be added into the GPRS territory. ThePCU can request an upgrade after BSC has fulfilled the default territory definedby the operator parameters. The upgrade of the GPRS territory may be startedfor various reasons, for example when GPRS is set enabled in a BTS, GPRS-TRXis created or deblocked, TSL inside the GPRS territory is deblocked or CSload decreases, but this counter is not triggered in these cases. NOTE! Thiscounter is triggered only when GPRS Territory Upgrade is started by PacketSwitched Radio Resource Management requesting additional GPRS capacity.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

2.176 001175 / INCOMPL SERV GPRS TER UPGR REQ

CounterID: 001175

Networkelement name: INCOMPL SERV GPRS TER UPGR REQ

Version: 2.1 NetAct name: INCOMPL_SERV_GPRS_TER_UPGR_REQ

Description:Number of territory upgrade requests that have been served with less radiotime slots than requested.

Updated:When Radio Resource Management upgrades the GPRS territory with less RTSLsthan the Packet Controller Unit requested for.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

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2.177 001176 / GPRS TER UG REJ DUE CSW TR

CounterID: 001176

Networkelement name: GPRS TER UG REJ DUE CSW TR

Version: 2.1 NetAct name: GPRS_TER_UG_REJ_DUE_CSW_TR

Description:Number of territory upgrade requests that have been rejected because of thehigh load of the circuit switched traffic.

Updated:When Radio Resource Management rejects a GPRS territory upgrade request fromthe PCU because of high traffic load in BTS and maintaining the margin ofidle TCHs for circuit switched traffic does not allow the upgrade.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

2.178 001177 / GPRS TER UG REJ DUE LACK PSW RES

CounterID: 001177

Networkelement name: GPRS TER UG REJ DUE LACK PSW RES

Version: 2.1 NetAct name: GPRS_TER_UG_REJ_DUE_LACK_PSW

Description:Number of territory upgrade requests that have been rejected because thereare not enough resources capable of GPRS in the BTS.

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Updated:When Radio Resource Management rejects a GPRS territory upgrade request ofthe PCU because all TRXs capable of GPRS traffic are already within the GPRSterritory.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

2.179 001178 / GPRS TER UG REJ DUE LACK PCU CAP

CounterID: 001178

Networkelement name: GPRS TER UG REJ DUE LACK PCU CAP

Version: 2.1 NetAct name: GPRS_TER_UG_REJ_DUE_LACK_PCU

Description:Number of territory upgrade requests that have been rejected because the capacityof the Packet Controller Unit the BTS is connected to is already totally inuse.

Updated:When Radio Resource Management rejects a GPRS territory upgrade request fromthe PCU because the maximum number of TSLs, which the PCU is capable to handleare already in use.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

2.180 001179 / GPRS TER DG DUE INC IN CSW TR

CounterID: 001179

Networkelement name: GPRS TER DG DUE INC IN CSW TR

Version: 2.1 NetAct name: GPRS_TER_DG_DUE_INC_IN_CSW_TR

Description:Number of GPRS territory downgrades made because of the increase in the circuitswitched traffic load.

Updated:When the Radio Resource Management starts a GPRS territory downgrade in orderto maintain the margin of idle TCHs for circuit switched traffic after a circuitswitched channel allocation, or when the BSC during TCH congestion in theCSW territory directly allocates a TCH belonging to the GPRS territory.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

2.181 001180 / GPRS TER UG DUE DEC CSW TR

CounterID: 001180

Networkelement name: GPRS TER UG DUE DEC CSW TR

Version: 2.1 NetAct name: GPRS_TER_UG_DUE_DEC_CSW_TR

Description:Number of GPRS territory upgrades made to fulfill the default GPRS territoryas a consequence of decrease in the circuit switched traffic load.

Updated:When the Radio Resource Management starts a GPRS territory upgrade in orderto fulfill the defined default GPRS territory after the traffic load in theBTS has decreased as a consequence of a circuit switched channel release.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

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2.182 001181 / GPRS TER DOWNGRADE REQ

CounterID: 001181

Networkelement name: GPRS TER DOWNGRADE REQ

Version: 2.1 NetAct name: GPRS_TER_DOWNGRADE_REQ

Description:Number of territory downgrade requests received from the Packet ControllerUnit.

Updated:When the Radio Resource Management receives from the Packet Controller Unita request for a GPRS territory downgrade. The PCU can request for a downgradefor GPRS RTSLs beyond the default territory defined by the operator parameters.A GPRS territory downgrade is initiated because of increase of CS load. PCUcan initiate GPRS resource downgrade to additional GPRS resources. For example,when PCU has previously requested GPRS territory upgrade and additional channelshas been given for GPRS use. When there is no more need for additonal GPRScapacity PCU requests for downgrade, the additional channels are removedfrom GPRS territory and this counter is triggered.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS9006:GPRS Telecom in BCSU and MCMU

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S9

Definition updatedin release:

2.183 001182 / FULL TCH SEIZ INTRA AMR HO

CounterID: 001182

Networkelement name: FULL TCH SEIZ INTRA AMR HO

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Version: 2.1 NetAct name: FULL_TCH_SEIZ_INTRA_AMR_HO

Description:Number of successful FR TCH seizures for an intra-cell HO when the channelrate changes and AMR speech codecs are in use. Updated only in AMR unpackinghandover. Counter 001116 is updated along with this counter.

Updated:When the Radio Resource Management allocates a FR TCH for intra-cell HO asa response to a TCH request and the channel rate is changed from HR to FRand speech codec versions 3 are in use.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001116:FULL TCH SEIZ INT HO CH RATE

Operability class:

Relatedto feature:

BSS10004:Adaptive Multi Rate (AMR) Speech Codec

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.184 001183 / HALF TCH SEIZ INTRA AMR HO

CounterID: 001183

Networkelement name: HALF TCH SEIZ INTRA AMR HO

Version: 2.1 NetAct name: HALF_TCH_SEIZ_INTRA_AMR_HO

Description:Number of successful HR TCH seizures for intra-cell HO when the channel ratechanges and AMR speech codecs are in use. Updated only in AMR packing handover.Counter 001117 is updated along with this counter.

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Updated:When the Radio Resource Management allocates a HR TCH for intra-cell HO asa response to a TCH request and the channel rate is changed from FR to HRand speech codec versions 3 are in use.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001117:HALF TCH SEIZ INT HO CH RATE

Operability class:

Relatedto feature:

BSS10004:Adaptive Multi Rate (AMR) Speech Codec

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.185 001184 / TCH CALL REQ FOR AMR

CounterID: 001184

Networkelement name: TCH CALL REQ FOR AMR

Version: 2.1 NetAct name: TCH_CALL_REQ_FOR_AMR

Description:Number of TCH requests for an AMR call. Counter 001026 is updated alongwith this counter in case of call setup.

Updated:When the Radio Resource Management receives a TCH request in a call setupor HO attempt and speech codec version 3 is the most preferred one.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001026:TCH CALL REQ

Operability class:

Relatedto feature:

BSS10004:Adaptive Multi Rate (AMR) Speech Codec

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.186 001185 / SUCCESSFUL AMR CODEC SETDOWNGRADES

CounterID: 001185

Networkelement name: SUCCESSFUL AMR CODEC SETDOWNGRADES

Version: 2.1 NetAct name: SUCC_AMR_CODEC_SET_DOWNGR

Description:Number of successful AMR codec set downgrades during internal HOs for thesource side AMR codec set. Downgrade is made to align the source side AMRcodec set with the one chosen for the target side in order to utilize theone-way downlink speech path connection for the target side during the internalHO. The utilization of one-way downlink speech path connection decreases theamount of muting experienced in the speech path connection. Downgrade decisionduring internal HO depends on the parameter AMR codec mode set downgradesand upgrades enabled.

Updated:By the Abis interface services after successful mode modify procedures forBTS and MS.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

BSS10004:Adaptive Multi Rate (AMR) Speech Codec

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.187 001186 / UNSUCCESSFUL AMR CODEC SETDOWNGRADES

CounterID: 001186

Networkelement name: UNSUCCESSFUL AMR CODEC SETDOWNGRADES

Version: 2.1 NetAct name: UNSUCC_AMR_CODEC_SET_DOWNGR

Description:Number of unsuccessful AMR codec set downgrades during internal HOs for thesource side AMR codec set. Alignment between the source side AMR codec setand the one chosen for the target side has failed and usage of one-way speechpath downlink connection for the target side during the internal HO is notpossible.

Updated:By the Abis interface services after an unsuccessful mode modify procedurefor BTS or MS.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS10004:Adaptive Multi Rate (AMR) Speech Codec

Related to standard:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.188 001187 / SUCCESSFUL AMR CODEC SETUPGRADES

CounterID: 001187

Networkelement name: SUCCESSFUL AMR CODEC SETUPGRADES

Version: 2.1 NetAct name: SUCC_AMR_CODEC_SET_UPGR

Description:Number of successful AMR codec set upgrades after internal HOs for the targetside AMR codec set. Upgrade is made to utilize the original AMR codec setof the target BTS which set was not chosen for the target side because oftarget side alignment with the source side during internal HO. This alignmentis made in order to utilize the one-way downlink speech path connection forthe target side during the internal HO. The utilization of one-way speechpath downlink connection decreases the amount of muting experienced in thespeech path connection. Upgrade decision after internal HO depends on theparameters AMR codec mode set downgrades and upgrades enabled and AMR multirateconfiguration in handovers.

Updated:By the Abis interface services after successful mode modify procedures forBTS and MS.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS10004:Adaptive Multi Rate (AMR) Speech Codec

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.189 001188 / UNSUCCESSFUL AMR CODEC SETUPGRADES

CounterID: 001188

Networkelement name: UNSUCCESSFUL AMR CODEC SETUPGRADES

Version: 2.1 NetAct name: UNSUCC_AMR_CODEC_SET_UPGR

Description:Number of unsuccessful AMR codec set upgrades after internal HOs for the targetside AMR codec set. The target side continues to use the currently used AMRcodec set.

Updated:By the Abis interface services after an unsuccessful mode modify procedurefor BTS or MS.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS10004:Adaptive Multi Rate (AMR) Speech Codec

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

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2.190 001189 / TCH REQ FOR 96 DAT CALL

CounterID: 001189

Networkelement name: TCH REQ FOR 96 DAT CALL

Version: 2.1 NetAct name: TCH_REQ_FOR_96_DAT_CALL

Description:Number of TCH requests for 9.6 kbit/s data call.

Updated:When the Radio Resource Management receives a TCH request for a single slot9.6 kbit/s data connection in a call or a handover attempt.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.191 001190 / SUCC TCH SEIZ FOR 96 DAT CALL

CounterID: 001190

Networkelement name: SUCC TCH SEIZ FOR 96 DAT CALL

Version: 2.1 NetAct name: SUCC_TCH_SEIZ_FOR_96_DAT_CALL

Description:Number of successful TCH seizures for 9.6 kbit/s data call.

Updated:When the Radio Resource Management allocates a TCH/F as a response to a singleslot 9.6 kbit/s request in a call or handover attempt.

Logicaltype: Sum

Trigger type: Event Sampling interval:

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Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10

Definition updatedin release:

2.192 001191 / SPARE001191

CounterID: 001191

Networkelement name: SPARE001191

Version: 2.0 NetAct name: SPARE001191

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10.5ED

Definition updatedin release: S11

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2.193 001192 / TCH REQUESTS FOR CALL ATTEMPT

CounterID: 001192

Networkelement name: TCH REQUESTS FOR CALL ATTEMPT

Version: 2.0 NetAct name: TCH_REQUESTS_CALL_ATTEMPT

Description:Number of TCH channel requests for a call

Updated:Updated when a TCH is requested for a call. The counter is updated only oncefor every call attempt, that is, it is not updated for TCH-TCH handover attempts.In segment environment, if the seizure of TCH is successful, the counteris updated to the BTS from which the TCH was successfully seizured. If theseizure is unsuccessful, the counter is updated to the BCCH BTS.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10.5ED

Definition updatedin release: S11, S12 (Name changed)

2.194 001193 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT

CounterID: 001193

Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT

Version: 2.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATTEMPT

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Description:Number of succesful TCH channel seizures for a call

Updated:When a TCH is successfully allocated for a call. The counter is updatedonly once for every call attempt, that is, it is not updated for TCH-TCH handoverattempts.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10.5ED

Definition updatedin release: S11, S12 (Name changed)

2.195 001194 / TCH ACCESS REJECTED DUE LOW RX

CounterID: 001194

Networkelement name: TCH ACCESS REJECTED DUE LOW RX

Version: 2.1 NetAct name: TCH_ACC_REJ_DUE_LOW_RX

Description:Number of unsuccessful call setup attempts because of a too low RX level.

Updated:RRM updates the counter if a call setup fails because of a too low RX level.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S10.5ED

Definition updatedin release: S11.5

2.196 001195 / MSC O HO CMD

CounterID: 001195

Networkelement name: MSC O HO CMD

Version: 2.1 NetAct name: MSC_O_HO_CMD

Description:Number of handover commands sent by the BSC in an outgoing MSC-controlledhandover (SDCCH-SDCCH, TCH-TCH or SDCCH-TCH HO)

Updated:See figure Successful external handover, source.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

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2.197 001196 / BSC O HO CMD

CounterID: 001196

Networkelement name: BSC O HO CMD

Version: 2.1 NetAct name: BSC_O_HO_CMD_ASSGN

Description:Number of all handover commands sent by the BSC in an outgoing BSC-controlledhandover (SDCCH-SDCCH, TCH-TCH or SDCCH-TCH HO).

Updated:See figures: -Internal directed retry -Successful internal inter-cell handover-Successful SDCCH internal inter-cell handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

2.198 001197 / BTS HO ASSGN

CounterID: 001197

Networkelement name: BTS HO ASSGN

Version: 2.1 NetAct name: BTS_HO_ASSGN

Description:Number of assignment commands sent in intra-BTS handovers (SDCCH-SDCCH, TCH-TCHor SDCCH-TCH).

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Updated:See figures: -Successful internal intra-cell handover -Successful SDCCH internalintra-cell handover

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

2.199 001198 / TCH REL DUE TO RADIO FAIL PH 9-11

CounterID: 001198

Networkelement name: TCH REL DUE TO RADIO FAIL PH 9-11

Version: 2.1 NetAct name: TCH_REL_DUE_RADIO_FAIL_PH_9_11

Description:Number of TCH releases because of radio failures.

Updated:This counter is updated in call phases 9-11 only (Outgoing handovers beforeCONNECT_ACK).

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

2.200 001199 / TCH REL DUE TO BSS FAIL PH 2-3

CounterID: 001199

Networkelement name: TCH REL DUE TO BSS FAIL PH 2-3

Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL_PH_2_3

Description:Number of TCH releases because of BSS failures.

Updated:This counter is updated in call phases 2-3 only. See figures: -UnsuccessfulTCH activation, timer expires while waiting for CHANNEL_ACTIVATION_ACK message-TCH assignment failure, MSC sends CLEAR_COMMAND message

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S11

Definition updatedin release:

2.201 001200 / TCH REL DUE TO BSS FAIL PH 9-11

CounterID: 001200

Networkelement name: TCH REL DUE TO BSS FAIL PH 9-11

Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL_PH_9_11

Description:Number of TCH releases because of BSS failures. Same DX causes as in counter001140.

Updated:This counter is updated in call phases 9-11 only (Outgoing handovers beforeCONNECT_ACK).

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

2.202 001201 / SDCCH FAIL PH 3

CounterID: 001201

Networkelement name: SDCCH FAIL PH 3

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Version: 2.1 NetAct name: SDCCH_FAIL_PH_3

Description:Number of all the failures on SDCCH in call phase 3 that do not trigger anyTCH failure counter in the same phase.

Updated:

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

2.203 001202 / DROP AFTER TCH ASSIGN

CounterID: 001202

Networkelement name: DROP AFTER TCH ASSIGN

Version: 2.1 NetAct name: DROP_AFTER_TCH_ASSIGN

Description:Number of dropped calls after the TCH is assigned.

Updated:When the drop occurs between ASSIGNMENT_COMPLETE and DISCONNECT. See figures:-CONNECTION_FAILURE message with cause transcoder_failure during a call -Droppedcall between ASSIGNMENT COMPLETE and DISCONNECT

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

2.204 001203 / ERROR IND DURING LU

CounterID: 001203

Networkelement name: ERROR IND DURING LU

Version: 2.1 NetAct name: ERROR_IND_DURING_LU

Description:Number of Error indication messages received during the Location Update procedure.

Updated:

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11083:Measurement Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11

Definition updatedin release:

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2.205 001204 / DROP TCH ASSCOMPL TO RFCH REL

CounterID: 001204

Networkelement name: DROP TCH ASSCOMPL TO RFCH REL

Version: 2.1 NetAct name: DROP_TCH_ASSCOMPL_TO_RFCH_REL

Description:Number of TCH drops between the Assignment Complete and the RF Channel ReleaseAck messages. Some of the counters 001013, 001014, 001029, 001030, 001046,001047, 001048, 001049, 001050, 001051, 001070, 001081, 001084, 001085, 001087,001088, and 001202 may be updated together with this counter.

Updated:When the TCH transaction ends in a phase between the Assignment Complete andthe RF Channel Release Ack messages. See figures: - CONNECTION_FAILURE messagewith cause transcoder_failure during a call - Dropped call between ASSIGNMENTCOMPLETE and DISCONNECT - Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001013:TRANSACTIONS ENDED DUE RADIO FAIL

001014:TRANSACTIONS ENDED DUE SOURCE CHANNEL FAIL DURING HO

001029:TCH TR FAIL

001030:TCH TR FAIL SOURCE

001046:TCH LAPD FAIL

001047:TCH BTS FAIL

001048:TCH USER ACT

001049:TCH BCSU RESET

001050:TCH NETW ACT

001051:TCH A IF PROBL

001070:FORCED RELEASES

001081:TCH ACT FAIL CALL

001085:TCH ABIS FAIL SOURCE

001088:TCH A IF FAIL SOURCE

001202:DROP AFTER TCH ASSIGN

001087:TCH A IF FAIL CALL

001084:TCH ABIS FAIL CALL

Operability class:

Relatedto feature:

BSS115168:CS Statistics Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.206 001205 / TCH REL DUE RAD FAIL PH 2-3

CounterID: 001205

Networkelement name: TCH REL DUE RAD FAIL PH 2-3

Version: 2.1 NetAct name: TCH_REL_DUE_RAD_FAIL_PH_2_3

Description:Number of the TCH releases because of the radio failures. Counter 001139is updated together with this counter.

Updated:When the TCH is released in call phase 2 (MM signalling) or 3 (Basic assignment)because of a radio failure. See figure Timer T3107 expires while waitingfor ASSIGNMENT_COMPLETE message.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS115168:CS Statistics Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

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2.207 001206 / TCH REL DUE RAD FAIL PH 12-14

CounterID: 001206

Networkelement name: TCH REL DUE RAD FAIL PH 12-14

Version: 2.1 NetAct name: TCH_REL_DUE_RAD_FAIL_PH_12_14

Description:Number of the TCH releases because of radio failures. Counter 001139 is updatedtogether with this counter.

Updated:When the TCH is released during the Handover phases (12-14) because of a radiofailure.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS115168:CS Statistics Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.208 001207 / TCH REL DUE BSS FAIL PH 12-14

CounterID: 001207

Networkelement name: TCH REL DUE BSS FAIL PH 12-14

Version: 2.1 NetAct name: TCH_REL_DUE_BSS_FAIL_PH_12_14

Description:Number of the TCH releases because of the BSS failures. Counter 001140 isupdated together with this counter.

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Updated:When the TCH is released during the Handover phases (12-14) because of a BSSfailure.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001140:TCH REL DUE TO BSS FAIL

Operability class:

Relatedto feature:

BSS115168:CS Statistics Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.209 001208 / A IF CRC MISMATCH CALL SETUP

CounterID: 001208

Networkelement name: A IF CRC MISMATCH CALL SETUP

Version: 2.1 NetAct name: A_IF_CRC_MISMATCH_CALL_SETUP

Description:Number of the TCH requests rejected because of the mismatch between the typesof the requested channel and the A interface circuit, updated in call setupphase only. Counter 001122 is updated together with this counter

Updated:When the RRM changes the A interface circuit pool before the TCH allocation.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

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Dependencies withother counters:

001122:TCH REJ DUE REQ CH A IF CRC

Operability class:

Relatedto feature:

BSS115168:CS Statistics Improvements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.210 001209 / GPRS TER DG REJ DUE STREAMING

CounterID: 001209

Networkelement name: GPRS TER DG REJ DUE STREAMING

Version: 2.0 NetAct name: GPRS_TER_DG_REJ_DUE_STREAMING

Description:This counter is not in use.

Updated:This counter is not updated.

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release: S12

2.211 001210 / GPRS TER DG REQ WHEN EQOS ON

CounterID: 001210

Networkelement name: GPRS TER DG REQ WHEN EQOS ON

Version: 2.0 NetAct name: GPRS_TER_DG_REQ_WHEN_EQOS_ON

Description:This counter is not in use.

Updated:This counter is not updated.

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release: S12

2.212 001211 / TCH REL BSC BSC CONFLICT CALL

CounterID: 001211

Networkelement name: TCH REL BSC BSC CONFLICT CALL

Version: 2.1 NetAct name: TCH_REL_BSC_BSC_CONFLICT_CALL

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Description:Number of TCH releases because of a BSC-BSC conflict.

Updated:When a TCH is released (with cause bc_t_bsc_bsc_conflict_c in call phases1-8 or 15)

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS11052:Dynamic Frequency and Channel Allocation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.213 001212 / TCH REL BSC BSC CONFLICT TARG

CounterID: 001212

Networkelement name: TCH REL BSC BSC CONFLICT TARG

Version: 2.1 NetAct name: TCH_REL_BSC_BSC_CONFLICT_TARG

Description:Number of TCH releases because of a BSC-BSC conflict.

Updated:When a TCH is released (with cause bc_t_bsc_bsc_conflict_c in call phases12-14)

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

BSS11052:Dynamic Frequency and Channel Allocation

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.214 001213 / GPRS TER UG REQ FROM CSW

CounterID: 001213

Networkelement name: GPRS TER UG REQ FROM CSW

Version: 2.1 NetAct name: GPRS_TER_UG_REQ_FROM_CSW

Description:Number of territory upgrade requests to PCU initiated by the CSW. Dependencies:001214 and 001215

Updated:When the RRM initiates a PSW territory upgrade to the PCU.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001214:GPRS TER UG FROM CSW PARTIAL

001215:GPRS TER UG FROM CSW FAILED

Operability class:

Relatedto feature:

BSS115171:Dynamic Abis Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

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3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.215 001214 / GPRS TER UG FROM CSW PARTIAL

CounterID: 001214

Networkelement name: GPRS TER UG FROM CSW PARTIAL

Version: 2.1 NetAct name: GPRS_TER_UG_FROM_CSW_PARTIAL

Description:Number of territory upgrade requests from the CSW RRM to the PCU that havebeen served with less radio time slots than requested, i.e. partially successfulPSW territory upgrade in the PCU. Dependencies: 001213

Updated:When the PCU upgrades the GPRS territory with less RTSLs than the RRM requestedfor.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001213:GPRS TER UG REQ FROM CSW

Operability class:

Relatedto feature:

BSS115171:Dynamic Abis Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

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2.216 001215 / GPRS TER UG FROM CSW FAILED

CounterID: 001215

Networkelement name: GPRS TER UG FROM CSW FAILED

Version: 2.1 NetAct name: GPRS_TER_UG_FROM_CSW_FAILED

Description:Number of territory upgrade requests from the CSW RRM to the PCU where theupgrade of the single new radio time slots to the PCU was not successful.Dependencies: 001213

Updated:When the PCU rejects the whole PSW territory upgrade, i.e. no single new RTSLwas upgraded to the PCU.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001213:GPRS TER UG REQ FROM CSW

Operability class:

Relatedto feature:

BSS115171:Dynamic Abis Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.217 001216 / TCH REQ REJ DUE TO LACK OF RES PERBCSU

CounterID: 001216

Networkelement name: TCH REQ REJ DUE TO LACK OF RES PERBCSU

Version: 2.1 NetAct name: TCH_REQ_REJ_DUE_NO_RES_BCSU

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Description:Number of TCH requests rejected because of lack of capacity in one of theBCSU units.

Updated:When there is no BCSU capacity available for either call or HO attempt requests.This counter may be updated either immediately after a TCH request or, incase of queuing, when the queuing timer expires. When the TCH request isrejected in case of directed retry (DR), this counter is updated as follows:1) When a call is removed from the queue due to a DR attempt, this counteris NOT updated on the SOURCE side. Instead, counter 001173 is updated. 2)If queuing is not used or the queuing timer expires before a DR attempt, thiscounter is updated on the SOURCE side. 3) On the TARGET side, this counteris updated in case of congestion (blocking).

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001173:REMOVAL FROM QUE DUE TO DR

Operability class:

Relatedto feature:

BSS115173:Soft Channel Capacity

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.218 001217 / INTERNAL TO EXTERNAL HO

CounterID: 001217

Networkelement name: INTERNAL TO EXTERNAL HO

Version: 2.0 NetAct name: NBR_OF_INT_HO_TO_EXT

Description:Number of internal handovers changed to external handovers.

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Updated:When an internal handover is aborted by changing it to an external handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20117:TCSM3i

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release: S12 (Name changed)

2.219 001218 / NOT CHANGED INTERNAL HO

CounterID: 001218

Networkelement name: NOT CHANGED INTERNAL HO

Version: 2.0 NetAct name: NBR_OF_NOT_CHANGED_INT_HO

Description:Number of internal handovers that should be changed to external handovers,but for which the change is not allowed.

Updated:When an internal handover should be changed to an external handover, but thechange is not allowed due to too high A interface load.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

BSS20117:TCSM3i

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release: S12 (Name changed)

2.220 001219 / SPARE001219

CounterID: 001219

Networkelement name: SPARE001219

Version: 2.0 NetAct name: SPARE001219

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

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2.221 001220 / SPARE001220

CounterID: 001220

Networkelement name: SPARE001220

Version: 2.0 NetAct name: SPARE001220

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.222 001221 / SPARE001221

CounterID: 001221

Networkelement name: SPARE001221

Version: 2.0 NetAct name: SPARE001221

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.223 001222 / SPARE001222

CounterID: 001222

Networkelement name: SPARE001222

Version: 2.0 NetAct name: SPARE001222

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

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2.224 001223 / SPARE001223

CounterID: 001223

Networkelement name: SPARE001223

Version: 2.0 NetAct name: SPARE001223

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.225 001224 / SPARE001224

CounterID: 001224

Networkelement name: SPARE001224

Version: 2.0 NetAct name: SPARE001224

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.226 001225 / SPARE001225

CounterID: 001225

Networkelement name: SPARE001225

Version: 2.0 NetAct name: SPARE001225

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

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2.227 001226 / SPARE001226

CounterID: 001226

Networkelement name: SPARE001226

Version: 2.0 NetAct name: SPARE001226

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.228 001227 / SPARE001227

CounterID: 001227

Networkelement name: SPARE001227

Version: 2.0 NetAct name: SPARE001227

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.229 001228 / SPARE001228

CounterID: 001228

Networkelement name: SPARE001228

Version: 2.0 NetAct name: SPARE001228

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

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2.230 001229 / SPARE001229

CounterID: 001229

Networkelement name: SPARE001229

Version: 2.0 NetAct name: SPARE001229

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.231 001230 / SPARE001230

CounterID: 001230

Networkelement name: SPARE001230

Version: 2.0 NetAct name: SPARE001230

Description:Reserved for future use.

Updated:

Logicaltype:

Trigger type: Sampling interval:

Unit: Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S11.5

Definition updatedin release:

2.232 001231 / SDCCH LU ATTEMPTS

CounterID: 001231

Networkelement name: SDCCH LU ATTEMPTS

Version: 2.0 NetAct name: SDCCH_LU_ATTEMPT

Description:Number of SDCCH location update requests. Counter 001000 is updated beforethis counter.

Updated:When a location update is received as SDCCH request type.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001000:SEIZURE ATTEMPTS

Operability class:

Relatedto feature:

BSS20003:CS Statistics Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S12

Definition updatedin release:

2.233 001232 / SDCCH LU ATTEMPTS FAIL

CounterID: 001232

Networkelement name: SDCCH LU ATTEMPTS FAIL

Version: 2.0 NetAct name: SDCCH_LU_ATTEMPT_FAIL

Description:Number of failed SDCCH location update requests. Counter 001231 is updatedbefore this counter.

Updated:When a channel allocation for SDCCH location update fails.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

001231:SDCCH LU ATTEMPTS

Operability class:

Relatedto feature:

BSS20003:CS Statistics Enhancements

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S12

Definition updatedin release:

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2.234 001233 / DROPS AFTER DTM CS TCHASSIGNMENT

CounterID: 001233

Networkelement name: DROPS AFTER DTM CS TCHASSIGNMENT

Version: 2.0 NetAct name: DROP_AFTER_DTM_TCH_ASSIGN

Description:Number of DTM CS TCHs dropped after the CS TCH has been assigned.

Updated:When a CS TCH drop in the PS territory occurs between ASSIGNMENT COMPLETEand DISCONNECT messages. This counter is updated in call phases 2, 3, 9,10, 11 and 15 only. See figure DTM CS connection drops after ASSIGNMENT COMPLETE;CONNECTION FAILURE received.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20088:Dual Transfer Mode

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S12

Definition updatedin release:

2.235 001234 / DTM CS TCH DROPS BETWEENASSCOMPL AND RFCH REL ACK

CounterID: 001234

Networkelement name: DTM CS TCH DROPS BETWEENASSCOMPL AND RFCH REL ACK

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Version: 2.0 NetAct name: DROP_DTM_TCH_ASCMPL_RFCH_REL

Description:Number of DTM CS TCHs dropped between ASSIGNMENT COMPLETE and RF CHANNELRELEASEACK messages.

Updated:When a CS TCH drop in the PS territory occurs between ASSIGNMENT COMPLETEand RF CHANNEL RELEASE ACK messages. This counter is updated in call phases2, 3, 4, 9, 10, 11 and 15 only. See figures: - DTM CS connection drops afterASSIGNMENT COMPLETE; CONNECTION FAILURE received - DTM CS connection dropsafter ASSIGNMENT COMPLETE; RELEASE INDICATION not received

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20088:Dual Transfer Mode

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S12

Definition updatedin release:

2.236 001235 / FORCED RELEASE AFTER FORCED HO

CounterID: 001235

Networkelement name: FORCED RELEASE AFTER FORCED HO

Version: 1.0 NetAct name: FCD_RELEASE_AFTER_FCD_HO_ATT

Description:Number of started forced releases after an unsuccessful forced handover attempt.

Updated:When a BSC starts the forced release procedure due to an unsuccessful forcedhandover attempt.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.237 001236 / CLASS 2 SUBSCRIBER FORCEDRELEASE

CounterID: 001236

Networkelement name: CLASS 2 SUBSCRIBER FORCED RELEASE

Version: 1.0 NetAct name: CL_2_SUBS_FORCED_RELEASE

Description:Number of forced releases of class 2 subscriber TCHs.

Updated:When a TCH of a class 2 subscriber is released with cause pre-emption. TheMSC sends CLEAR COMMAND message using the cause Pre-emption to the BSC.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

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3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.238 001237 / TCH REQUESTS FOR CALL ATTEMPTCLASS 1

CounterID: 001237

Networkelement name: TCH REQUESTS FOR CALL ATTEMPTCLASS 1

Version: 1.0 NetAct name: TCH_REQUESTS_CALL_ATT_CL_1

Description:Number of TCH channel requests for a call from class 1 subscribers.

Updated:When a TCH is requested for a call by class 1 subscriber. The counter is updatedonly once for every call attempt, that is, it is not updated for the TCH-TCHhandover attempts. In segment environment, if the seizure of a TCH is successful,the counter is updated to the BTS from where the TCH was successfully seizured.If the seizure is unsuccessful, the counter is updated to the BCCH BTS.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S13

Definition updatedin release:

2.239 001238 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 1

CounterID: 001238

Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 1

Version: 1.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATT_CL_1

Description:Number of successful TCH channel seizures for a call from class 1 subscribers.

Updated:When a TCH is successfully allocated for a class 1 subscriber's call. Thecounter is updated only once for every call attempt, that is, it is not updatedfor the TCH-TCH handover attempts.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

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2.240 001239 / TCH REQUESTS FOR CALL ATTEMPTCLASS 2

CounterID: 001239

Networkelement name: TCH REQUESTS FOR CALL ATTEMPTCLASS 2

Version: 1.0 NetAct name: TCH_REQUESTS_CALL_ATT_CL_2

Description:Number of TCH channel requests for a call from class 2 subscribers.

Updated:When a TCH is requested for a call by class 2 subscriber. The counter is updatedonly once for every call attempt, that is, it is not updated for the TCH-TCHhandover attempts. In segment environment, if the seizure of a TCH is successful,the counter is updated to the BTS from where the TCH was successfully seizured.If the seizure is unsuccessful, the counter is updated to the BCCH BTS.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.241 001240 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 2

CounterID: 001240

Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 2

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Version: 1.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATT_CL_2

Description:Number of successful TCH channel seizures for a call from class 2 subscribers.

Updated:When a TCH is successfully allocated for a class 2 subscriber's call. Thecounter is updated only once for every call attempt, that is, it is not updatedfor the TCH-TCH handover attempts.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.242 001241 / TCH REQUESTS FOR CALL ATTEMPTCLASS 3

CounterID: 001241

Networkelement name: TCH REQUESTS FOR CALL ATTEMPTCLASS 3

Version: 1.0 NetAct name: TCH_REQUESTS_CALL_ATT_CL_3

Description:Number of TCH channel requests for a call from class 3 subscribers.

Updated:When a TCH is requested for a call by class 3 subscriber. The counter is updatedonly once for every call attempt, that is, it is not updated for the TCH-TCHhandover attempts. In segment environment if the seizure of a TCH is successful,the counter is updated to the BTS from where the TCH was successfully seizured.If the seizure is unsuccessful, the counter is updated to the BCCH BTS.

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Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.243 001242 / SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 3

CounterID: 001242

Networkelement name: SUCCESSFUL TCH SEIZURES FOR CALLATTEMPT CLASS 3

Version: 1.0 NetAct name: SUCC_TCH_SEIZ_CALL_ATT_CL_3

Description:Number of successful TCH channel seizures for a call from class 3 subscribers.

Updated:When a TCH is successfully allocated for a class 3 subscriber's call. Thecounter is updated only once for every call attempt, that is, it is not updatedfor the TCH-TCH handover attempts.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

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Relatedto feature:

BSS20869:Market Expansion Toolkit

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.244 001243 / DR TRAU DOWNGRADE ATTEMPTED INAMR HO

CounterID: 001243

Networkelement name: DR TRAU DOWNGRADE ATTEMPTED INAMR HO

Version: 1.0 NetAct name: DR_TRAU_DG_ATT_IN_AMR_HO

Description:Number of intra-BSC AMR FR to AMR HR handovers where the TRAU mode is attemptedto be changed from FR to DR TRAU mode before handover.

Updated:When changing from FR TRAU to DR TRAU mode during AMR FR to AMR HR handoverin source BTS (The Mode Modify with 8 kbps TRAU bit set is sent to the sourceBTS).

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20588:TRAU Bicasting in AMR FR/HR Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

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Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.245 001244 / DR TRAU DOWNGRADE ATTEMPTFAILED

CounterID: 001244

Networkelement name: DR TRAU DOWNGRADE ATTEMPT FAILED

Version: 1.0 NetAct name: DR_TRAU_DG_ATT_FAILED

Description:Number of intra-BSC AMR FR to AMR HR handovers where the TRAU mode changingfrom FR to DR TRAU fails.

Updated:When changing from FR TRAU to DR TRAU mode during AMR FR to AMR HR handoverfails in source BTS (The Mode Modify Nack is received from source BTS or supervisiontimer for the Mode Modify Ack expires).

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20588:TRAU Bicasting in AMR FR/HR Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

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2.246 001245 / DR TRAU UPGRADE ATTEMPTED IN AMRHO

CounterID: 001245

Networkelement name: DR TRAU UPGRADE ATTEMPTED IN AMRHO

Version: 1.0 NetAct name: DR_TRAU_UG_ATT_IN_AMR_HO

Description:Number of intra-BSC AMR HR to AMR FR handovers where the TRAU mode is attemptedto be changed from DR to FR TRAU mode after handover.

Updated:When changing from DR TRAU to FR TRAU mode during AMR HR to AMR FR handoverin target BTS (The Mode Modify with 8 kbps TRAU bit cleared is sent to thetarget BTS).

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20588:TRAU Bicasting in AMR FR/HR Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.247 001246 / DR TRAU UPGRADE ATTEMPT FAILED

CounterID: 001246

Networkelement name: DR TRAU UPGRADE ATTEMPT FAILED

Version: 1.0 NetAct name: DR_TRAU_UG_ATT_FAILED

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Description:Number of intra-BSC AMR HR to AMR FR handovers where the TRAU mode changingfrom DR to FR TRAU fails.

Updated:When changing from DR TRAU to FR TRAU mode during AMR HR to AMR FR handoverfails in target BTS (The Mode Modify Nack is received from target BTS or supervisiontimer for the Mode Modify Ack expires).

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20588:TRAU Bicasting in AMR FR/HR Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.248 001247 / SEIZURE IN AMR FR TO HR HO

CounterID: 001247

Networkelement name: SEIZURE IN AMR FR TO HR HO

Version: 1.0 NetAct name: SEIZ_AMR_FR_TO_HR

Description:Number of successful TCH seizures in intra-BSC AMR FR to AMR HR handovers.

Updated:When an AMR HR channel is allocated in intra-BSC handover and the source channelmode is AMR FR.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

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Operability class:

Relatedto feature:

BSS20588:TRAU Bicasting in AMR FR/HR Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.249 001248 / SEIZURE IN AMR HR TO FR HO

CounterID: 001248

Networkelement name: SEIZURE IN AMR HR TO FR HO

Version: 1.0 NetAct name: SEIZ_AMR_HR_TO_FR

Description:Number of successful TCH seizures in intra-BSC AMR HR to AMR FR handovers.

Updated:When an AMR FR channel is allocated in intra-BSC handover and the source channelmode is AMR HR.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20588:TRAU Bicasting in AMR FR/HR Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

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Usedfrom release: S13

Definition updatedin release:

2.250 001249 / INTERNAL AMR HO TO EXTERNAL

CounterID: 001249

Networkelement name: INTERNAL AMR HO TO EXTERNAL

Version: 1.0 NetAct name: INT_AMR_HO_TO_EXT

Description:Number of intra-BSC AMR FR to AMR HR and AMR HR to AMR FR handovers that arechanged to MSC controlled in order to reduce break in DL speech path.

Updated:When an intra-BSC AMR FR to AMR HR or AMR HR to AMR FR handover is abortedand handover is changed to external in order to reduce break in DL speechpath.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS20588:TRAU Bicasting in AMR FR/HR Handover

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

2.251 001250 / SUCCESSFUL LRTCH SEIZURES

CounterID: 001250

Networkelement name: SUCCESSFUL LRTCH SEIZURES

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Version: 1.0 NetAct name: SUCC_LRTCH_SEIZ

Description:Number of succesful Long Reach TCH seizures.

Updated:When a BSC allocates Long Reach TCH for incoming external handover.

Logicaltype: Sum

Trigger type: Event Sampling interval:

Unit: Integer number Range: Example values:

Dependencies withother counters:

Operability class:

Relatedto feature:

BSS21274:Long Reach TSL (Flexi EDGE BTS)

Related to standard:

3GPPMeasurement name (Clause header):

3GPPMeasurement type:

Exceptionsto related standard:

Usedfrom release: S13

Definition updatedin release:

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3 Signalling charts of Traffic Measurement

The following figures show the signalling charts of Traffic Measurement:

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Figure 1. Basic call without counters

Immediate assign command

BSC:MS: BTS: MSC:

PagingPaging commandPaging request

Radio access part on CCCH

Paging part

Channel request Channel requiredChannel activation

Channel activation ackImmediate assign

DDCH establishment part

Sabm Establish indication Paging response

Ciphering mode complete

SDCCH signalling part

SetupSetupCall proceeding Call proceeding

Assignment requestPhysical context requestPhysical context confirm

Channel activationChannel activation ack

Assignment command

TCH seized, FACCH signalling part

Ua

Sabm Establish indicationUa

Assignment complete Assignment completeRf channel release

Rf channel release ackAlert AlertConnect Connect

Connect ackConnect ack

Conversation phase

Release completeClear command

Clear completeChannel releaseDeactivate SACCHDisc

Ua Release indicationRf channel release

Rf channel release ack

Release by MS

Disconnect DisconnectReleaseRelease

Release complete

Authentification requestAuthentification requestAuthentification response Authentification response

Identification requestIdentification requestIdentification response Identification response

Ciphering mode commandEncryption commandCiphering mode commandCiphering mode complete

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Figure 2. Basic call with counters

BTS: MSC:MS: BSC:

TCH succ req in norm assign 001009

Radio access part on CCCH

Paging part

Channel request Channel required

Channel activation

Physical context confirm

Channel activation

Basic call signalling continuos, see figure 1

Basic call signalling, see figure 1

SDCCH seiz att for MOCorSDCCH seiz att for MTC

001135

001136

FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign

001114

001115

FR TCH succ seizorHR TCH succ seiz

001106

001107

SDCCH attempts 001000

SDCCH succ seiz for imm assign 001007

TCH requests 001010

TCH req for norm assign 001026

Ass req, que alloworAss req, que not allow

001056

001057

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

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Figure 3. Basic call with priority subscriber

BTS: MSC:BSC:

TCH req for norm assign 001026

TCH requests 001010

Physical context confirm

Channel activation

Basic call signalling continuos, see figure 1

Basic call signalling, see figure 1

001054

001055

Ass req that can cause forced relorAss req that can cause forced HO

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

TCH req with prior subscriber 001095

001137

001138

FR TCH succ seizorHR TCH succ seiz

001106

001107

FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign

001114

001115

TCH seiz att for MOCorTCH seiz att for MTC

TCH succ req in norm assign 001009

Succ TCH req with prior subscriber 001096

MS:

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Figure 4. FACCH call setup due to SDCCH congestion without counters

BSC:MS: MSC:BTS:

Mode modify request

Channel request Channel required

Channel activation

Channel activation ack

Immediate assign command

Immediate assign

SetupSetup

Call proceeding Call proceeding

Assignment request

Mode modify ack

Channel mode modification

Channel mode modification ack

Assignment complete

Alert Alert

Connect Connect

Connect ackConnect ack

Channel mode modification

Channel mode modification ack

Conversation phase

Release by MS

DDCH establishment part

TCH, FACCH signalling part

Radio access part on CCCH

Paging part

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Figure 5. FACCH call setup due to SDCCH congestion with counters

BTS: MSC:MS: BSC:

Unsucc imm ass SDCCH attempt 001155

SDCCH attempts 001000

TCH request 001010

Succ TCH seiz due SDCCH cong 001099

001044

Att to seize TCH due SDCCH cong 001098

TCH req for FACCH call set-up 001043

Seiz att with busy SDCCH 001001

Radio access part on CCCH

Paging part

Channel request Channel required

Channel activation

FACCH call set-up signalling, see figure 4

Succ FR TCH seiz in FACCH callset-uporSucc HR TCH seiz in FACCH callset-up

001125

001126

001135

001136

SDCCH seiz att for MOCorSDCCH seiz att for MTC

001123

001124

001137

001138

Succ TCH seiz in FACCH callset-up

TCH seiz att for MOCorTCH seiz att for MTC

FR TCH req for FACCH call set-uporTCH req for FACCH call set-up, chrt not def

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Figure 6. FACCH call setup due to SDCCH congestion, no free TCH channel.Optional software directed retry is not activated

BSC:

Unsucc imm ass SDCCH attempt 001155

TCH request rejected due to cong 001141

Att to seize TCH due SDCCH cong 001098

TCH req for FACCH call set-up 001043

TCH requests 001010

Seiz att with busy SDCCH 001001

SDCCH attempts 001000

MS: MSC:BTS:

Immediate assignment reject

Channel required

Radio access part on CCCH

Paging part

Channel request

No free TCH

001135

001136

SDCCH seiz att for MOCorSDCCH seiz att for MTC

001123

001124

FR TCH req for FACCH call set-uporTCH req for FACCH call, ch rate notdef

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

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Figure 7. Normal release

Radio access part on CCCH

Paging part

DDCH establishment part

TCH seized, FACCH signalling part

Conversation phase

Release by MS

Disconnect Disconnect

ReleaseRelease

Release complete Release complete

Clear command

Channel release

Deactive sacch

Disc

Ua

Release indication

Rf channel rel

Rf channel rel ack

Clear complete

SDCCH signalling part

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

BSC:MS: MSC:BTS:

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Figure 8. Basic call, no free TCH and queuing or directed retry is not allowed

BSC:

Ass req, queuing not allow 001057

TCH req for norm assign 001026

TCH requests 001010

Rej ass req, que not allow 001061

TCH req rej due to lack 001011

TCH req rej due to cong 001141

MS: MSC:BTS:

Assignment failure

Rf channel release

Rf channel release ack

Clear command

Channel release

Deactive sacchDisc

UaRelease indication

Clear complete

Physical context confirm

Basic call signalling, see figure 1

No free TCH and queueing or DR not allowed

TCH seiz att for MOCorTCH seiz att for MTC

001137

001138

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

FR TCH req rej due to lackorHR TCH req rej due to lack

001118

001119

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Figure 9. Successful TCH queuing

BTS: MSC:MS: BSC:

Queue denominator 2 001021

Ave queue time of call attempt 001020

TCH succ req in norm assign 001009

Ass req, queuing allowed 001056

TCH req for norm assign 001026

TCH requests 001010

Call att set in queue for TCH 001016

Queuing indication

Rf channel release

Rf channel release ack

Basic call signalling, see figure 1

TCH channel is released, request is taken from queue

Physical context confirm

Channel activation

Basic call signalling, see figure 1

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

TCH seiz att for MOCorTCH seiz att for MTC

001137

001138

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

FR TCH succ seizorHR TCH succ seiz

001106

001107

FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign

001114

001115

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Figure 10. Basic call, no free TCHs, unsuccessful queuing and directed retrynot activated

BSC:

001020

Call att in queue not served 001024

TCH req rej due to cong 001141

MS: MSC:BTS:

Assignment failure

Rf channel release

Rf channel release ack

Clear command

Channel release

Deactive sacchDisc

UaRelease indication

Clear complete

Physical context confirm

Basic call signalling, see figure 1

No TCH released in time

001118

001119

FR TCH req rej due to lackorHR TCH req rej due to lack

Rej ass req, que allowed 001060

Call att set in queue for TCH 001016

TCH req rej due to lack 001011

Queuing indication

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

No free TCH, call is set in queue

Ass req, queuing allowed 001056

TCH seiz att for MOCorTCH seiz att for MTC

001137

001138

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

TCH requests 001010

TCH req for norm assign 001026

Queue denominator 2 001021

Ave queue time of call attempt

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Figure 11. TCH assignment failure with cause switch_circuit_pool, queuing anddirected retry not allowed

BTS: MSC:MS: BSC:

Ass req, que not allowed 001057

TCH requests 001010

Assignment failure

Clear command

Channel release

Deactive SACCH

Disc

Ua

Release indication

Rf channel release

Rf channel release ack

Physical context confirm

Clear complete

Basic call signalling, see figure 1

TCH req for norm assign 001026

001104

001105

FR pref TCH requestsorHR pref TCH requests

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

TCH req rej due to lack 001011

Rej ass req, que not allow 001061

001118

001119

FR TCH req rej due to lackorHR TCH req rej due to lack

TCH req rej due change crct pool 001122

TCH req rej due to cong 001141

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Figure 12. Unsuccessful TCH activation

BTS: MSC:MS: BSC:

Assignment failure

Clear command

Channel release

Deactive SACCH

Disc

Ua

Release indication

Clear complete

Basic call signalling, see figure 1

TCH activation fail 001028

SDCCH Rf channel rel

SDCCH Rf channel rel ack

Rf channel rel ack

Physical context request

Assignment request

Physical context confirm

Channel activation

Channel activation nack

Rf channel rel

Failure

TCH transact end due ch act fail 001081

001133

001134

FR TCH transactions failorHR TCH transactions fail

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001108

001109

001110

001111

001112

001113

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Figure 13. Unsuccessful TCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message

MSC:BSC:BTS:MS:

TCH rel due BSS fail 001140

TCH transact end due BSS probl 001012

Start timer T9103

SDCCH Rf channel rel

SDCCH Rf channel rel ack

Rf channel rel ack

Assignment failure

Clear command

Channel release

Deactive SACCHDisc

Ua Release indication

Clear complete

Physical context request

Assignment request

Physical context confirm

Channel activation

Rf channel rel

Basic call signalling, see figure 1

TCH transact end due Abis fail 001045

TCH transact end due Abis fail 001084

001133

001134

FR TCH transactions failorHR TCH transactions fail

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

Timer T9103 expires

TCH rel due to BSS fail PH 2-3 001199

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Figure 14. TCH assignment failure

MSC:BSC:BTS:MS:

SDCCH Rf channel rel

SDCCH Rf channel rel ack

Assignment failure

Clear command

Channel release

Deactive SACCHDisc

UaRelease indication

Clear complete

Failure

TCH Rf channel rel ack

Assignment request

Assignment command

Assignment failure

TCH Rf channel release

Physical context request

Physical context confirm

Channel activation

Channel activation ack

Basic call signalling, see figure 1

SDCCH trans end due radio fail 001003

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001133

001134

FR TCH transactions failorHR TCH transactions fail

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Figure 15. TCH assignment failure, MSC sends CLEAR_COMMAND message

MSC:BSC:BTS:MS:

SDCCH Rf channel rel

SDCCH Rf channel rel ack

TCH Rf channel rel ack

Radio access part on CCCH

Paging part

TCH seized, FACCH signalling part

Sabm

Disc

DDCH establishment part

Ua

Channel release

Release indication

TCH Rf channel release

Establish indicationClear command

Clear complete

Deactive SACCH

SDCCH signalling part

TCH transact end due BSS probl 001012

TCH transact end due A int fail 001051

TCH transact end due A int fail 001087

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001133

001134

FR TCH transactions failorHR TCH transactions fail

TCH rel due BSS fail 001140

TCH rel due to BSS fail PH 2-3 001199

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Figure 16. CONNECTION_FAILURE message with cause transcoder_failureduring a call

MSC:BSC:BTS:MS:

Failure

TCH transact end due transc fail 001029

Rf channel rel ack

Conversation phase

Clear request

Disc

Ua

Channel release

Release indication

Rf channel release

Connection failure

Clear command

Clear complete

Deactive SACCH

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001127

001128

001129

001130

001131

001132

TCH transc fail FR speech ver 1orTCH transc fail FR speech ver 2orTCH transc fail FR speech ver 3orTCH transc fail HR speech ver 1orTCH transc fail HR speech ver 2orTCH transc fail HR speech ver 3

001133

001134

FR TCH transactions failorHR TCH transactions fail

Drop after TCH assign 001202

Drop TCH asscompl to RFCH rel 001204

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Figure 17. TRX or TSL is blocked with different causes during a call

MSC:BSC:BTS:MS:

TCH transact end due LAPD fail 001046

TCH Abis probl 001045

TCH transact end due BSS probl 001012

TRX / TSL is blocked

Clear complete

Rf channel rel ack

Conversation phase

Clear request

Disc

Ua

Channel release

Rf channel release

Clear command

Deactive SACCH

TCH transact end due BTS fail 001047

TCH transact end due USER act 001048

TCH transact end due NETW act 001050

TCH transact end due Abis int fail 001084

001133

001134

FR TCH transactions failorHR TCH transactions fail

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

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Figure TRX or TSL is blocked with different causes during a call: Countersupdated with cause LAPD_failure: 001012 and 001046. Counters updatedwith cause BTS_failure: 001012 and 001047. Counter 001048 is updatedwith cause USER_actions. Counter 001050 is updated with causeNETW_actions. Counters updated with cause ABIS_failure: 001012,001045 and 001084. Counter 001108, 001109, 001110, 001111, 001112 or001113 and counter 001133 or 001134 are always updated with thesecauses.

Figure 18. SDCCH congestion, FACCH call setup is not activated

BSC:

Unsucc imm ass SDCCH att001155

SDCCH seiz att for MOC001135 or

SDCCH seiz att for MTC001136

SDCCH attempts001000

Seiz att with busy SDCCH001001

MS: MSC:BTS:

Immediate assignment reject

Channel required

Channel request

Paging part

Radio access part on CCCH

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Figure 19. Unsuccessful SDCCH activation

BSC:

SDCCH transact end due ch act fail001072

SDCCH activation failure001027

MS: MSC:BTS:

Failure

Channel request

Channel required

Channel activation

Channel activation nack

Rf channel release

Rf channel release ack

Immediate assignment reject

Radio access part on CCCH

Paging part

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Figure 20. Unsuccessful SDCCH activation, timer expires while waiting forCHANNEL_ACTIVATION_ACK message

MSC:BSC:BTS:MS:

SDCCH transact end dueBSS fail

Start timer T9103

Channel request

Channel required

Channel activation

Paging part

Rf channel release

Rf channel release ack

Immediate assignment reject

Radio access part on CCCH

Timer T9103 expires

SDCCH transact end duefail in Abis int

SDCCH transact end due fail in Abis intduring a call

001002

001033

001075

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Figure 21. Connection failure during SDCCH assignment

BTS:

Failure

MSC:MS: BSC:

SDCCH transact ended due radio fail

001003

Channel request Channel required

Channel activation

Channel activation ack

Immediate assign command

Immediate assign

Connection failure

Channel release

Deactive SACCHDisc

Ua

Release indication

Rf channel release

Rf channel release ack

Radio access part on CCCH

Paging part

DDCH establishment part

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Figure 22. SDCCH assignment failure

BTS: MSC:MS: BSC:

SDCCH transact end due fail in A -intduring a call

001078

SDCCH transact end due fail in A -int001034

SDCCH transact end due BSS fail001002

Failure

Assignment request

Channel release

Deactive SACCHDisc

Ua

Release indication

Rf channel release

Rf channel release ack

Assignment failure

Clear command

Clear complete

Basic call signalling, see figure 1

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Figure 23. Unsuccessful SDCCH activation, timer expires while waiting forPHYSICAL_CONTEXT_CONFIRM message

MSC:BSC:BTS:MS:

SDCCH transact end dueBSS fail

SDCCH transact end duefail in Abis int

SDCCH transact end due fail in Abis intduring a call

001002

001033

001075

Timer T9108 expires

Start timer T9108

Assignment request

Physical context request

Assignment failure

Basic call signalling, see figure 1

Clear command

Rf channel release

Rf channel release ack

Channel release

Deactive SACCHDisc

UaRelease indication

Clear complete

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Figure 24. TRX/TSL is blocked with different causes during an SDCCH channelactivation

Figure TRX/TSL is blocked with different causes during an SDCCHchannel activation: Counters updated with cause LAPD_failure: 001002and 001035. Counters updated with cause BTS_failure: 001002 and001036. Counter 001037 is updated with cause USER_actions. Counter001039 is updated with cause NETW_actions. Counters updated withcause ABIS_failure: 001002, 001033 and 001075.

MSC:BSC:BTS:MS:

SDCCH transact end dueBSS fail

SDCCH transact end duefail in Abis int

001002

001033

TRX / TSL is blocked

Channel requestChannel required

Channel activation

Paging part

Rf channel release

Rf channel release ack

Immediate assignment reject

SDCCH transaction end dueLAPD fail 001035

SDCCH transact ended dueBTS fail 001036

SDCCH transact end dueuser actions 001037

SDCCH transact end duenetw act fail 001039

SDCCH transact end due fail in Abis intduring a call 001075

Radio access part on CCCH

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Figure 25. Successful trunk reservation. Counters updated: 001040, 001041and basic call counters, see Figure 2.

BSC:

Succ trunk reservations

001041

Trunk reservations

001040

MS: MSC:BTS:

Physical context request

Assignment request

Physical context confirm

Channel activation

Channel activation ack

Assignment command

Basic call signalling, see figure 1

Basic call signalling, see figure 1

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Figure 26. Unsuccessful trunk reservation

MSC:BSC:BTS:MS:

TCH req for norm assign 001026

TCH requests 001010

Trunk reservations 001040

Assignment failure

Rf channel release

Rf channel release ack

Basic call signalling, see figure 1

Clear command

Channel release

Deactive sacchDisc

UaRelease indication

Clear complete

Physical context confirm

001056

001057

Ass req, que alloworAss req, que not allow

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

Unsuccessful trunk reservation

Refus TCH req of non-prior subsc 001097

Refused trunk reservations 001042

001100

001101

FR TCH req for trunk reserv rejorHR TCH req for trunk reserv rej

001060

001061

Rej ass req, queueing allowedorRej ass req, queueing not allowed

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

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Figure 27. Successful internal intra-cell handover. Counters 001090 and001091 are updated only with underlay overlay handover.

MSC:BSC:BTS:MS:

TCH requests 001010

Meas report Meas result

Physical context request

Physical context confirm

HO measurement, Old TCH channel

Channel activationChannel activation ack

Assignment command

Assignment command

Sabm Establish indication

Ua

Rr HO performed

Rf channel release

Rf channel release ack

Assignment completeAssignment complete

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

001064

001065

Att to req HO, que allowedorAtt to req HO, que not allowed

001102 or001103 or001104 or001105

FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests

TCH req for underlay/overlay HO 001090

Succ TCH req for HO 001008

TCH seiz for underlay/overlay HO 001091

001106 or001107

FR TCH succ seizHR TCH succ seiz

Succ seiz of FR TCH in int HOwith ch rate changesorSucc seiz of HR TCH in int HOwith ch rate changes

001116

001117

Old TCH channel release

Signalling on new TCH channel

Signalling on old TCH channel

New TCH channel reservation and activation

BTS HO assgn 001197

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Figure 28. Internal intra-cell HO, successful TCH queuing

MSC:BSC:BTS:MS:

TCH requests 001010

Meas report Meas resultPhysical context request

Physical context confirm

Channel activation

Rf channel releaseRf channel release ack

001102 or001103 or001104 or001105

FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests

TCH req for underlay/overlay HO 001090

001106 or001107

FR TCH succ seizHR TCH succ seiz

New TCH channel reservation and activation

HO measurement, Old TCH channel

Att to req HO, que allowed 001064

No free TCH, request is set in queue

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

TCH channel is released, request is taken from queue

HO signalling, see figure 27

001137 or001138

TCH seiz att for MOCTCH seiz att for MTC

HO att set in queue for TCH 001017

Queued urgent HO attempt 001142

001023

001022

Queue denominator 3

Ave queue time of ho attempt

001143

001145

Ave queue time of urgent ho attorAve queue time of non urgent ho att

Queue denominator 4Queue denominator 4

001144 or001146

Succ TCH req for HO 001008

TCH seiz for underlay/overlay HO 001091

Succ FR TCH int HO with ch rt chorSucc HR TCH int HO with ch rt ch

001116

001117

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Figure Internal intra-cell HO, successful TCH queuing: Counters 001090and 001091 are updated only with underlay overlay HO. Counters 001142,001143 and 001144 are updated only if the HO is started by causeurgent_handover. 001145 and 001146 are updated only if the HO is startedby cause non_urgent_handover.

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Figure 29. Unsuccessful internal intra-cell handover, timer expires while waitingfor CHANNEL_ACTIVATION_ACK message

MSC:BSC:BTS:MS:

TCH transact end due BSS probl 001012

Start timer T9103

Timer T9103 expires

Meas report Meas result

Physical context request

Physical context confirm

Channel activation

Call going on the TCH channel

Rf channel release

Rf channel release ack

HO measurement, HO decision

New TCH channel reservation and activation

Normal HO counters updated, see figure 27

TCH Abis probl 001045

TCH transact end due Abis int failon new channel

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

FR TCH transactions failorHR TCH transactions fail

001133

001134

Call continuous on the old TCH channel

001086

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Figure 30. Unsuccessful internal intra-cell handover, CONNECTION_FAILUREmessage with cause remote_transcoder_failure comes to the targetchannel

MSC:BSC:BTS:MS:

Meas report Meas result

Physical context requestPhysical context confirm

Channel activation

Call going on the TCH channel

HO measurement, HO decision

New TCH channel reservation and activation

TCH transact end due transcfail on target

FR TCH transactions failorHR TCH transactions fail

001133

001134

001031

Channel activation ack

Call continuous on the old TCH channel

Signalling on FACCH TCH (old channel)Assignment command

Connection failure

Assignment command

Rf channel release

Rf channel release ack

HO failure HO failure

Signalling on FACCH TCH (new channel), channel release

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001127

001128

001129

001130

001131

001132

TCH transc fail FR speech ver 1orTCH transc fail FR speech ver 2orTCH transc fail FR speech ver 3orTCH transc fail HR speech ver 1orTCH transc fail HR speech ver 2orTCH transc fail HR speech ver 3

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Figure 31. Unsuccessful internal intra-cell handover, timer expires on thesource channel, call cleared

MSC:BSC:BTS:MS:

Meas report Meas resultPhysical context request

Physical context confirm

FR TCH transactions failHR TCH transactions fail

001133 or001134

Start timer T3107

HO measurement, Old TCH channel

Channel activationChannel activation ack

Assignment commandAssignment command

Sabm Establish indicationUa

Rf channel release

Rf channel release ack

Clear request

Clear command

Rf channel releaseRf channel release ack

Clear complete

New TCH channel reservation and activation

Normal HO counters updated, see figure 6

Signalling on old TCH channel

Signalling on new TCH channel

Signalling on old TCH channel

Timer T3107 expires

New channel release

001108 or001109 or001110 or001111 or001112 or001113

FR TCH speech FR ver 1FR TCH speech FR ver 2FR TCH speech FR ver 3HR TCH speech HR ver 1HR TCH speech HR ver 2HR TCH speech HR ver 3

001133 or001134

FR TCH transactions failHR TCH transactions fail

Old TCH channel release

TCH transact end due fail on source 001014

001108 or001109 or001110 or001111 or001112 or001113

FR TCH speech FR ver 1FR TCH speech FR ver 2FR TCH speech FR ver 3HR TCH speech HR ver 1HR TCH speech HR ver 2HR TCH speech HR ver 3

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Figure 32. Unsuccessful underlay overlay internal intra-cell handover, queuingnot allowed

BSC: MSC:BTS:MS:

Meas report Meas result

Physical context request

Physical context confirm

HO measurement, Old TCH channel

Call continuous on old channel

New TCH channel reservation and activation

No free TCH, queueing not allowed

TCH requests 001010

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

Att to req HO, que not allowed 001065

TCH req for underlay/overlay HO 001090

TCH req rej due to lack 001011

001118

001119

FR TCH req rej due to lackorHR TCH req rej due to lack

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

HO req fail, queueing not allowed 001069

TCH req for underlay/overlay HOrej due lack 001092

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Figure 33. Internal intra-cell handover, unsuccessful TCH queuing

MSC:BSC:BTS:MS:

TCH requests 001010

Meas report Meas result

Physical context request

Physical context confirm

001102 or001103 or001104 or001105

FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests

New TCH channel reservation and activation

HO measurement, Old TCH channel

No free TCH, request is set in queue

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

001137 or001138

TCH seiz att for MOCTCH seiz att for MTC

HO att set in queue for TCH 001017

Queued urgent HO attempt 001142

Queue denominator 3 001023

Ave queue time of ho attempt 001022

Att to req HO, queueing allowed 001064

Call continous on old TCH channel

No suitable TCH released in time

TCH req rej due to lack 001011

HO att in queue not served 001025

HO req rej, queueing allowed 001068

001144 or001146

Queue denominator 4Queue denominator 5

Queued urgent HO att not served 001147

001143

001145

Ave queue time of urgent ho attorAve queue time of non urgent ho att

001118 or001119

FR TCH req rej due to lackHR TCH req rej due to lack

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Figure Internal intra-cell handover, unsuccessful TCH queuing: Counters001142, 001143, 001144 and 001147 are updated only if the handover isstarted by cause urgent_handover. Counters 001145 and 001146 areupdated only if the handover is started by cause non_urgent_handover.

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Figure 34. Internal directed retry

MSC:BSC:BTS:MS:

TCH requests 001010

Physical context request

Physical context confirm

001102 or001103 or001104 or001105

FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests

Ass req, queueing allowed 001065

Call att set in queue for TCH 001016

Assignment request

Sabm Establish indication

Basic call signalling, see figure 1

Channel activation

Channel activation ack

HO command

HO command

HO access HO detection

Physical info

Ua

Rr Assignment complete

Rf channel release

Rf channel release ack

HO complete HO complete

Cell is congested, no TCH

Queueing indication

TCH reservation and activation in new BTS

Basic call signalling continuous, see figure 1

Queueing possible and started

TCH request for norm assign 001026

TCH req for underlay/overlay HO 001090

001137 or001138

TCH seiz att for MOCTCH seiz att for MTC

Normal HO counters updated, see figure 35

SDCCH release in old BTS

Signalling on FACCH - TCH in new BTS

Signalling on SDCCH in old BTS

DR HO begins

Removal from queue due to DR 001173

Ave queue time of call attempt 001020

Queue denominator 2 001021

BTS O HO cmd 001196

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Figure 35. Successful internal inter-cell handover

MSC:BSC:BTS:MS:

Sabm Establish indication

Channel activation

Channel activation ack

HO command

HO command

HO access HO detection

Physical info

Ua

Rr HO performed

Rf channel release

Rf channel release ack

HO complete HO complete

TCH requests 001010

Meas report Meas result

HO measurement, Old TCH channel in the old BTS

Signalling on the old TCH channel in the old BTS

Signalling on the new TCH channel in the new BTS

Old TCH channel release in the old BTS

New TCH channel reservation and activation in the new BTS

001137 or001138

TCH seiz att for MOCTCH seiz att for MTC

001064 or001065

Att to req HO, que allowedAtt to req HO, que not allowed

TCH req for underlay/overlay HO 001090

001102 or001103 or001104 or001105

FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests

Succ TCH req for HO 001008

TCH seiz for underlay/overlay HO 001091

001106 or001107

FR TCH succ seizHR TCH succ seiz

Succ seiz of FR TCH in int HOwith ch rate changesSucc seiz of HR TCH in int HOwith ch rate changes

001116 or

001117

BTS O HO cmd 001196

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Figure Successful internal inter-cell handover: Counters 001090 and001091 are updated only with underlay overlay handover.

Figure 36. Unsuccessful internal inter-cell handover

MSC:BSC:BTS:MS:

Meas report Meas result

TCH activation fail 001028

HO measurement, Old TCH channel

Channel activation

Channel activation nack

New TCH channel reservation and activation in new BTS

Call continuous on the old channel

Rf channel release

Rf channel release ack

Normal HO counters updated, see figure 35

New channel release

TCH transact end due TCH actfail in target

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001133

001134

FR TCH transactions failorHR TCH transactions fail

001083

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Figure 37. Successful external handover, target

MSC:BSC:BTS:MS:

TCH requests 001010

HO request

Channel activation

Channel activation ack

HO request ack

HO access HO detection HO detection

Physical info

Sabm Establish indication

Ua

HO complete

Rr

HO complete HO completed

001064

001065

Att to req HO, que allowedorAtt to req HO, que not allowed

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

Succ TCH req for HO 001008

001106

001107

FR TCH succ seizorHR TCH succ seiz

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Figure 38. Successful external handover, source

BTS: MSC:MS: BSC:

FR TCH speech FR ver 1001108 or

FR TCH speech FR ver 2001109 or

FR TCH speech FR ver 3001110 or

HR TCH speech HR ver 1001111 or

HR TCH speech HR ver 2001112 or

HR TCH speech HR ver 3001113

HO command

Rf channel release

Rf channel release ack

HO requiredMeas report Meas result

Clear complete

HO command

HO command

Clear command

MSC O HO cmd 001195

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Figure 39. Unsuccessful external handover, source BSC, timer expires whilewaiting for CLEAR_COMMAND message

MSC:BSC:BTS:MS:

Timer T8 expires

Start timer T8

TCH transact end due BSS probl 001012

Meas report Meas result HO required

HO command

HO measurement, HO decision

Call going on the TCH channel

Clear command

Rf channel release

Rf channel release ack

Clear request

HO commandHO command

Clear complete

Call cleared

TCH transact end due A int fail 001051

TCH transact end due A int failon source

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001133

001134

FR TCH transactions failorHR TCH transactions fail

001088

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Figure 40. Unsuccessful external handover, MS sends a handover failure

MSC:BSC:BTS:MS:

Meas report Meas result HO required

HO request

HO measurement, HO decision

Channel activation

Channel activation ack

Call going on the TCH channel

Call continuous on the old channel

HO request ack

Clear command

Rf channel release

Rf channel release ack

HO failure HO failure HO failure

Clear complete

HO commandHO commandHO command

New TCH channel reservation and activation in new BSC

Normal HO counters updated, see figure 37

Signalling on old BSC, MS sends HO failure

Signalling on new BSC, channel is released

TCH transact end due BSS probl 001012

TCH transact end due A int fail 001051

TCH transact end due A int fail onnew

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001133

001134

FR TCH transactions failorHR TCH transactions fail

001089

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Figure 41. Successful traffic reason handover, source

MSC:BSC:BTS:MS:

HO s due to traffic reasons 001052

Rf resource indication

Resource request

Resource indication

HO candidate enquiry

HO required

HO candidate response

HO commandHO commandHO command

Enquiries of traffic reason HO 001053

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Figure 42. Successful SDCCH internal intra-cell handover

MSC:BSC:BTS:MS:

SDCCH attempts 001000

Meas report Meas result

Physical context request

Physical context confirm

HO measurement, Old SDCCH channel

Channel activation

Channel activation ack

Assignment command

Assignment command

Sabm Establish indication

Ua

Assignment complete

Rr HO performed

Rf channel release

Rf channel release ack

New SDCCH channel reservation and activation

001135

001136

SDCCH seiz att for MOCorSDCCH seiz att for MTC

Succ SDCCH seiz for HO 001006

Signalling on old SDCCH channel

Signalling on new SDCCH channel

Old SDCCH channel release

BTS HO assgn 001197

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Figure 43. Unsuccessful SDCCH internal intra-cell handover, timer expireswhile waiting for CHANNEL_ACTIVATION_ACK message

MSC:BSC:BTS:MS:

Timer T9103 expires

Start timer T9103

Meas report Meas result

Physical context request

Physical context confirm

Channel activation

HO measurement, old SDCCH channel

Rf channel release

Rf channel release ack

New SDCCH channel reservation and activation

SDCCH transact end due BSSprobl

Signalling continuous on old SDCCH channel

SDCCH transact end due Abisint fail

SDCCH transact end due Abis int failon target

001002

001033

001077

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Figure 44. Unsuccessful SDCCH internal intra-cell handover, unsuccessfulchannel activation

BSC:

SDCCH transact end duech act fail on target

001074

SDCCH transact end duech act fail

001027

MS: MSC:BTS:

Meas report Meas result

Physical context request

Physical context confirm

Channel activation

Rf channel release

Rf channel release ack

Channel activation nack

HO measurement, old SDCCH channel

New SDCCH channel reservation and activation

Signalling continuous on old SDCCH channel

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Figure 45. Unsuccessful SDCCH internal intra-cell handover,CONNECTION_FAILURE message comes to the target channelduring handover

MSC:BSC:BTS:MS:

Meas report Meas result

Physical context request

Physical context confirm

HO measurement, Old SDCCH channel

Channel activation

Channel activation ack

Assignment commandAssignment command

Sabm Establish indication

UaConnection failure

Signalling continuous on old channel

Rf channel release

Rf channel release ack

New SDCCH channel reservation and activation

Signalling on old SDCCH channel

Signalling on new SDCCH channel

SDCCH transact end dueradio fail on target 001005

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Figure 46. Successful SDCCH internal inter-cell handover

MSC:BSC:BTS:MS:

SDCCH attempts 001000

Succ SDCCH seiz for HO 001006

Meas report Meas result

Sabm Establish indication

HO measurement, Old SDCCH channel in old BTS

Channel activation

Channel activation ack

New SDCCH channel reserv. and activ. in new BTS

Signalling on the old SDCCH channel in the old BTS

HO command

HO command

Signalling on new SDCCH channel in new BTS

HO access HO detection

Physical info

Ua

Rr HO performed

Old SDCCH channel release in the old BTS

Rf channel release

Rf channel release ack

HO complete HO complete

001135

001136

SDCCH seiz att for MOCorSDCCH seiz att for MTC

BTS O HO cmd 001196

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Figure 47. Unsuccessful SDCCH internal inter-cell handover, BTS sendsCONNECTION_FAILURE message

MSC:BSC:BTS:MS:

Meas report Meas result

Rf channel release

Rf channel release ack

HO measurement, Old SDCCH channel

Channel activation

Connection failure

New SDCCH channel reservation and activation

Signalling on old SDCCH channel

Signalling on new SDCCH channel

Rf channel release

Rf channel release ack

Clear request

Clear command

Clear complete

SDCCH transact end due radiofail on source 001004

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Figure 48. Successful SDCCH external handover target

Figure 49. Successful SDCCH external handover source. No countersupdating.

MSC:BSC:BTS:MS:

SDCCH attempts 001000

HO request

Channel activation

Channel activation ack

HO request ack

HO access HO detection HO detection

Physical info

Sabm Establish indication

Ua

HO complete

Rr

HO complete HO completed

Succ SDCCH seiz for HO 001006

BSC:MS: MSC:BTS:

HO command

Rf channel release

Rf channel release ack

HO required

Meas report Meas result

Clear complete

HO commandHO command

Clear command

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Figure 50. Unsuccessful SDCCH external handover, timer expires while waitingfor CLEAR_COMMAND message

MSC:BSC:BTS:MS:

SDCCH transact end due A int fail 001034

SDCCH transact end due BSS fail 001002

Timer T8 expires

Start timer T8

HO command

Rf channel release

Rf channel release ack

HO requiredMeas report Meas result

Clear complete

HO commandHO command

Clear command

Clear request

Signalling on SDCCH source channel

Rf channel release ack

Rf channel release

Clear command

Clear complete

SDCCH transact end due A int failon source

Signalling on SDCCH target channel

SDCCH transact end due BSS fail 001002

SDCCH transact end due A int fail 001034

SDCCH transact end due A int failon target

001079

001080

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Figure 51. Successful forced release

MSC:BSC:BTS:MS:

TCH requests 001010

Call going on TCH channel

Clear requestClear command

Channel release

Deactive SACCHDisc

Ua Release indication

Rf channel release

Rf channel release ack

Clear complete

Channel activation

Physical context confirm

Queueing indication

New call coming with priority subscriber

Basic call signalling, see figure 1

TCH req for norm assign 001026

Ass req that can cause forced rel 001054

001102 or001103 or001104 or001105

FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests

TCH seiz att for MOCTCH seiz att for MTC

001137 or001138

001120 or001121

FR TCH req rej due HR trafficHR TCH req rej due FR traffic

No free TCH channel, call with lower priority is released

Released TCH channel is allocated for the priority call

Forced release 001070

TCH succ req in norm assign 001009

001106 or001107

FR TCH succ seizHR TCH succ seiz

Signalling continuous like basic call, see figure 1

001114

001115

FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign

001108 or001109 or001110 or001111 or001112 or001113

FR TCH speech FR ver 1FR TCH speech FR ver 2FR TCH speech FR ver 3HR TCH speech HR ver 1HR TCH speech HR ver 2HR TCH speech HR ver 3

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Figure 52. Unsuccessful forced release

MSC:BSC:BTS:MS:

TCH requests 001010

Clear command

Channel release

Deactive SACCHDisc

UaRelease indication

Rf channel release

Rf channel release ack

Clear complete

Physical context confirm

Queueing indication

New call coming with priority subscriber

Basic call signalling, see figure 1

TCH req for norm assign 001026

Ass req that can cause forced rel 001054

001102 or001103 or001104 or

001105

FR TCH requestsHR TCH requestsFR pref TCH requestsHR pref TCH requests

TCH seiz att for MOCTCH seiz att for MTC

001137 or001138

001120 or001121

FR TCH req rej due HR trafficHR TCH req rej due FR traffic

No free TCH channel

Assignment failure

No suitable TCH for release, forced release timer expires

TCH req with prior subscriber 001095

FR TCH req rej due to lackHR TCH req rej due to lack

001118 or001119

Forced rel req rej 001058

TCH req rej due to lack 001011

TCH req rej due to cong 001141

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Figure 53. Unsuccessful forced release with external handover

MSC:BSC:BTS:MS:

TCH requests 001010

Meas report Meas result HO required

HO request

Queuing indication

Priority call going on the TCH channel

Clear command

Rf channel release

Rf channel release ack

HO failure

Clear complete

HO measurement, HO decision

New TCH channel reservation and activation in new BSC

Att to req HO with forced rel 001062

TCH req with prior subscriber 001095

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

No suitable TCH for forced release, forced release timer exp ires

001119

FR TCH req rej due to lackorHR TCH req rej due to lack

TCH req rej due to lack 001011

HO req rej with forced release 001066

Call continuous on the old channel

001118

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Figure 54. Successful forced handover

MSC:BSC:BTS:MS:

TCH req for norm assign 001026

TCH requests 001010

Ass req that can cause forced HO 001055

New call coming with priority subscriber

Call going on the TCH channel

Channel activation

Physical context confirm

No free TCH channel, call with lower priority is forced HO

Queueing indication

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

Normal internal inter cell HO, see figure 35

Released TCH channel is allocated for the priority call

TCH succ req in norm assign 001009

Forced HO 001071

001106

001107

FR TCH succ seizorHR TCH succ seiz

001114

001115

FR TCH succ seiz for norm assignorHR TCH succ seiz for norm assign

Signalling continuous like basic call, see figure 1

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Figure 55. Unsuccessful forced handover

MSC:BSC:BTS:MS:

TCH req rej due to lack 001011

TCH requests 001010

New call coming with

Calls going on the TCH channel

Clear complete

Forced handover timer expires

Physical context confirm

No free TCH channel,

Assignment failure

Clear command

Channel release

Deactive SACCHDisc

UaRelease indication

Rf channel release

Rf channel release ack

Queueing indication

TCH req for norm assign 001026

Ass req that can cause forced HO 001055

TCH req with prior subscriber 001095

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

001137

001138

TCH seiz att for MOCorTCH seiz att for MTC

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

001118

001119

FR TCH req rej due to lackorHR TCH req rej due to lack

TCH req rej due to cong 001141

Forced HO req rejected 001059

no suitable calls for forced HO

priority subscriber

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Figure 56. Unsuccessful forced handover with external handover

MSC:BSC:BTS:MS:

TCH req rej due to lack 001011

TCH req with prior subscriber 001095

TCH requests 001010

Att to req HO with forced HO 001063

HO req rej with forced HO 001067

Meas report Meas result HO required

HO request

HO measurement, HO decision

Queuing indication

New TCH channel reservation

No suitable TCH for forced handover,

Priority call going on the TCH channel

Call continuous on the old channel

Clear command

Rf channel release

Rf channel release ack

HO failure

Clear complete

001102

001103

001104

001105

FR TCH requestsorHR TCH requestsorFR pref TCH requestsorHR pref TCH requests

001120

001121

FR TCH req rej due HR trafficorHR TCH req rej due FR traffic

001118

001119

FR TCH req rej due to lackorHR TCH req rej due to lack

forced handover timer expires

and activation in new BSC

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Figure 57. Reconfiguration from TCH to SDCCH

MSC:BSC:BTS:MS:

SDCCH attempt 001000

Channel requestChannel required

Channel activation

Paging part

Radio access part on CCCH

001135

001136

SDCCH seiz att for MOCorSDCCH seiz att for MTC

Reconfiguration from idle TCH to active SDCCH

Dynamic SDCCH reconf attempt 001154

SDCCH succ seiz for imm assign 001007

Basic call signalling continuos, see figure 1

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Figure 58. Normal call

MSC:BSC:BTS:MS:

Succ TCH seiz for ass complete 001148

Basic call signalling, see figure 1

Basic call signalling, see figure 1

TCH seized, FACCH signalling part

Assignment complete

Assignment complete

Sabm

Ua

Establish indication

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Figure 59. Mobile originated HSCSD call setup

MSC:BSC:BTS:MS:

HSCSD req for call setup 001160

Classmark change Classmark update

Setup Setup

Normal signalling

Call proceedingCall proceeding

Channel activation

Channel activation ack

Assignment request

Physical context requestPhysical context confirm

Channel activation

Channel activation ack

Assignment command

Sabm Establish indicationUa

Assignment complete Assignment completeRf channel release

Rf channel release ackAlert AlertConnect Connect

Connect ackConnect ack

Release completeClear command

Clear completeChannel release

Deactivate SACCHDisc

UaRelease indication

Rf channel releaseRf channel release ack

Disconnect DisconnectReleaseRelease

Release complete

Normal signalling

HSCSD TCH req with 14,4HSCSD transp TCH req

001156 or001158

001157 or001159

HSCSD succ TCH req with 14,4HSCSD succ transp TCH seiz

HSCSD succ TCH 001162

Counters for TCH request and

TCH seized, FACCH signalling part

Conversation phase

Release by MS

succesful TCH seizures are also updated, see figure 2

seiz for call setup

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Figure 60. Successful internal inter-cell handover for HSCSD, target cellallocations and activations for three channels

MSC:BSC:BTS:MS:

HSCSD TCH request for HO 001161

HSCSD transp TCH request 001158

HSCSD TCH request with 14,4 001156

Meas report Meas result

Sabm Establish indication

HO measurement, Old TCH channel in the old BTS

Channel activation

Channel activation ack

Signalling on the old TCH channel in the old BTS

HO commandHO command

HO access HO detection

Physical info

Ua

Rr HO performed

Rf channel release

Rf channel release ack

HO complete HO complete

Channel activation

Channel activation ack

Channel activation

Channel activation ack

New TCH channel reservation and activation in the new BTS

Normal handover counters are updated, see figure 35

HSCSD succ TCH seiz with 14,4 001157

HSCSD succ transp TCH seiz 001159

HSCSD succ TCH seiz for HO 001163

Signalling on the new TCH channel in the new BTS

Old TCH channel release in the old BTS

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Figure 61. A CONNECTION_FAILURE message which comes during anHSCSD

MSC:BSC:BTS:MS:

Failure

HSCSD conn rel due to fail 001164

Rf channel rel ack

Conversation phase

Clear request

Disc

Ua

Channel release

Release indication

Rf channel release

Connection failure

Clear command

Clear complete

Deactive SACCH

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Figure 62. Internal intra-cell direct access from a regular DCCH to the super-reuse TRX. Optional software direct access to super-reuse TRX inIUO activated.

MSC:BSC:BTS:MS:

Succ TCH seiz for dir acc 1165

Assignment request

Physical context request

Sabm Establish indication

Basic call signalling, see figure 1

Channel activation

Channel activation ack

Physical context confirm

Assignment command

Assignment command

Ua

Rr

Assignment complete

Rf channel release

Rf channel release ack

Assignment complete Assignment complete

Alert Alert

Connect ackConnect ack

Connect Connect

Physical context information

Direct access to super-reuse TRX

TCH reservation and activation

Signalling on SDCCH

Signalling on FACCH - TCH

SDCCH release

Connection

Conversation phase

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Figure 63. Unsuccessful internal intra-cell direct access from regular DCCH tothe super-reuse TRX due to lack of resources. Optional softwaredirect access to super-reuse TRX in IUO activated.

MSC:BSC:BTS:MS:

TCH req for dir acc rej due lack 1166

Assignment request

Physical context request

Basic call signalling, see figure 1

Physical context confirm

Physical context information

Unsuccessful direct access attempt to super-reuse TRX

Signalling continuous on old channel

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Figure 64. Timer T3107 expires while waiting for ASSIGNMENT_COMPLETEmessage

MSC:BSC:BTS:MS:

TCH transact end due radio fail 001013

Timer T3107 expires

Start timer T3107

SDCCH Rf channel rel

SDCCH Rf channel rel ack

Rf channel rel ack

Assignment failure

Clear command

Channel release

Deactive SACCHDisc

UaRelease indication

Clear complete

Physical context requestAssignment request

Physical context confirm

Channel activation

Rf channel rel

Basic call signalling, see figure 1

Channel activation ack

Assignment commandAssignment command

Sabm

Establish indicationUa

001108

001109

001110

001111

001112

001113

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001133

001134

FR TCH transactions failorHR TCH transactions fail

TCH rel due radio fail 001139

TCH rel due rad fail PH 2-3 001205

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Figure 65. Average counter updating

Figure 66. Successful handover due to DADL/B

MSC:BSC:BTS:MS:

Timer is started

After 20 seconds

Timer expires

Timer is started again

After 20 seconds

Timer expires

Average queue length for channelseizure request

Average queue length for channelseizure request

1018

1018

BTS: MSC:MS: BSC:

Succ TCH seiz for DADL/B HO001170

DADL/B start due to exceeded load001172

Channel activation

Channel activation ack

Assignment request

Physical context request

Physical context confirm

Signalling

Signalling continues

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Figure 67. Unsuccessful DADL/B handover due to lack of resources

Figure 68. Successful BSC controlled TRHO

BTS: MSC:MS: BSC:

TCH request in DADL/B HO rejected001171

DADL/B start due to exceeded load001172

Assignment request

Physical context request

Physical context confirm

Signalling

DR and queuing possible

BTS: MSC:MS: BSC:

Succ TCH seiz for BSC contr TRHO001168

TCH request for BSC contr TRHO001167

Channel activation

Channel activation ack

Normal HO signalling

Signalling on the old TCH channel in the old BTS

New TCH channel reservation and activation in the new BTS

HO decision

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Figure 69. Unsuccessful BSC controlled TRHO

BTS: MSC:MS: BSC:

Rej TCH seiz for BSC contr TRHO due to lack001169

TCH request for BSC contr TRHO001167

HO decision

New TCH channel reservation

HO ends and signalling continuous on

and activation in the new BTS

the old TCH channel in the old BTS

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Figure 70. Dropped call between ASSIGNMENT COMPLETE andDISCONNECT

MSC:BSC:BTS:MS:

Paging/initial MS on CCCH

Clear request

Channel release

Clear command

Clear complete

Deactive SACCH

MM signalling

Basic assignment

AlertAlert

ConnectConnect

Connect ack Connect ack

Conversation

Radio Link Failure

Connection failure

DISC

UA

Release indication

RF channel release

001108FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001109

001110

001111

001112

001113

TCH transact end due radio fail

001012

TCH Abis probl

Drop after TCH assign

Drop TCH asscompl to RFCH rel

001013

TCH transact end due BSS probl

001045

001202

001204

RF channel release ack

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Figure 71. Dropped call between ASSIGNMENT COMPLETE and RFCHANNEL RELEASE ACK

MSC:BSC:BTS:MS:

Paging/initial MS on CCCH

Channel release

Clear command

Clear complete

Deactive SACCH

MM signalling

Basic assignment

AlertAlert

ConnectConnect

Connect ack Connect ack

Conversation

Timer T3109 expires

DISC

UA

RF channel release ack

FR TCH speech FR ver 1orFR TCH speech FR ver 2orFR TCH speech FR ver 3orHR TCH speech HR ver 1orHR TCH speech HR ver 2orHR TCH speech HR ver 3

001109

001110

001111

001112

TCH transact end due Abis fail

Drop TCH asscompl to RFCH rel

001113

001204

RF channel release

Release by MS

DisconnectDisconnect

ReleaseRelease

Release complete Release complete

DISC

Release indication notreceived

001084

001108

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Related topics

1 Traffic Measurement

Counters of Traffic Measurement

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4 Signalling charts of Dual Transfer Mode

The following figures show the signalling charts of Dual Transfer Mode:

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Figure 72. MO DTM call establishment

MS BTS BSC MSC

MEASUREMENT REPORT

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

SABM

ESTABLISH INDICATION

UA

ASSIGNMENT COMPLETE

RR

HANDOVER PERFORMED

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

106000 MO_DTM_CALL_REQUESTS_INI

DTM REQUEST

MEASUREMENT RESULT

PHYSICAL CONTEXT REQUEST

PHYSICAL CONTEXT CONFIRM

DTM ASSIGNMENT COMMAND

105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL

105009 DTM_ALLOCATIONS_INITIAL

105015 PEAK_DTM_CS_SIMULTAN

105021 DTM_ALLOC_1_UL_PS_TSL or105022 DTM_ALLOC_2_UL_PS_TSL

Start T3107

051189 INTRA_DTM_MO_CS_TO_PS

106018 DTM_ASSIGN_COMMANDS

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

MS in dedicated mode

PS data transfer in dual transfer mode

Stop T3107

DUMMY RLC BLOCK

UL RLC BLOCK

105026 UL_DTM_TBF_ESTABLISHMENTS

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Figure 73. MT DTM call establishment

MS BTS BSC MSC

SABM

UA

RR

105000 MT_DTM_CALL_REQUESTS_INI

SGSN

LLC PDU

MEASUREMENTREPORT MEASUREMENT RESULT

PHYSICAL CONTEXT REQUEST

CHANNEL ACTIVATION ACK

ASSIGNMENT COMPLETE

HANDOVER PERFORMED

RF CHANNEL RELEASE ACK

DTM ASSIGNMENT COMMAND

CHANNEL ACTIVATION

RF CHANNEL RELEASE

PHYSICAL CONTEXT CONFIRM

ESTABLISH INDICATION

105009 DTM_ALLOCATIONS_INITIAL

105023 DTM_ALLOC_1_DL_PS_TSL or105024 DTM_ALLOC_2_DL_PS_TSL

106018 DTM_ASSIGN_COMMANDS

051190 INTRA_DTM_MT_CS_TO_PS

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

105018 DTM_REQ_1_DL_PS_TSL or105019 DTM_REQ_2_DL_PS_TSL

MS in dedicated mode

PS data transfer in dual transfer mode

105027 DL_DTM_TBF_ESTABLISHMENTS

(EGPRS) PACKET DOWNLINK ACK/NACK

DL RLC BLOCK

105015 PEAK_DTM_CS_SIMULTAN

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Figure 74. DTM call reallocation; too high CS connection interference

MS BTS BSC MSC

MEASUREMENT REPORT

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

DTM ASSIGNMENT COMMAND

SABM

ESTABLISH INDICATION

UA

ASSIGNMENT COMPLETE

RRHANDOVER PERFORMED

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

071038 REPORTING_TIME_BY_DTM_MS

MEASUREMENT RESULT

CS connection controldetects too high CSconnection interference

PHYSICAL CONTEXT REQUEST

PHYSICAL CONTEXT CONFIRM

071037 TCH_RESERV_BY_DTM_MS

106018 DTM_ASSIGN_COMMANDS

106006 DTM_REALLO_CS_REQUESTS

MS has a DTM allocation with one UL PS TSL allocation

DTM call continues on the new resources

105010 DTM_REALLOCATIONS

105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL

105021 DTM_ALLOC_1_UL_PS_TSL or105022 DTM_ALLOC_2_UL_PS_TSL

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Figure 75. DTM call reallocation; inadequate PS connection quality

MS BTS BSC MSC

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

SABMESTABLISH INDICATION

UA

ASSIGNMENT COMPLETE

RR

HANDOVER PERFORMED

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

MEASUREMENT REPORT

071038 REPORTING_TIME_BY_DTM_MS

PS quality control detectsinadequate quality

MEASUREMENT RESULT

PHYSICAL CONTEXT CONFIRM

PHYSICAL CONTEXT REQUEST

DTM ASSIGNMENT COMMAND

071037 TCH_RESERV_BY_DTM_MS

051191 INTRA_DTM_MT_PS_TO_PS

106018 DTM_ASSIGN_COMMANDS

105010 DTM_REALLOCATIONS

105005 DTM_REALLO_REQ_PS_QUAL

MS has a DTM allocation with one DL PS TSL allocation

DTM call continues on the new resources

105018 DTM_REQ_1_DL_PS_TSL or105019 DTM_REQ_2_DL_PS_TSL

105023 DTM_ALLOC_1_DL_PS_TSL or105024 DTM_ALLOC_1_DL_PS_TSL

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Figure 76. DTM call; internal inter-cell handover; CS connection power budget

BTS1 BTS2 BSC MSC

CHANNEL ACTIVATION

HANDOVER ACCESS

MS

PHYSICAL INFO

SABM

UA

RR

DTM INFORMATION

MS has a DTM allocation

RF CHANNEL RELEASE ACK

CHANNEL ACTIVATION ACK

MEASUREMENT REPORT

MEASUREMENT RESULT

CS connection control startsa power budget handover

HANDOVER COMMAND

HANDOVER DETECTION

ESTABLISH INDICATION

HANDOVER COMPLETEHANDOVER PERFORMED

RF CHANNEL RELEASE

CS connection continues in the CS territory of the target cell.The DTM call is then re-established in the target cell.

105011 DTM_DURATION_SUM_FR

004199 DTM_CALL_HO_SUCC_TO_DTM_CELL

072202 DL_TBF_RELEASES_DUE_DTM

072201 UL_TBF_RELEASES_DUE_DTM

004198 DTM_CALL_HO_ATT_TO_DTM_CELL

106013 DTM_RELEASES_DUE_CS_HO

071037 TCH_RESERV_BY_DTM_MS

071038 REPORTING_TIME_BY_DTM_MS

HANDOVER COMPLETE

004194 DTM_CALL_HO_FROM_DTM_CELL

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Figure 77. DTM call; internal inter-cell handover; lack of resources in the PSterritory

BTS1 BTS2 BSC MSC

HANDOVER ACCESS

MS

PHYSICAL INFO

SABM

UA

RR

DTM INFORMATION

CHANNEL ACTIVATION ACK

RF CHANNEL RELEASE ACK

HANDOVER PERFORMED

CHANNEL ACTIVATION

HANDOVER COMMAND

HANDOVER DETECTION

ESTABLISH INDICATION

HANDOVER COMPLETE

HANDOVER COMPLETE

RF CHANNEL RELEASE

004194 DTM_CALL_HO_FROM_DTM_CELL

004199 DTM_CALL_HO_SUCC_TO_DTM_CELL

004198 DTM_CALL_HO_ATT_TO_DTM_CELL

004195DTM_HO_DUE_LACK_OF_RESOURCES

072201 UL_TBF_RELEASES_DUE_DTM

072202 DL_TBF_RELEASES_DUE_DTM

105011 DTM_DURATION_SUM_FR

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

106013 DTM_RELEASES_DUE_CS_HO

No free resources in the PS territory

CS connection continues in the CS territory of the target cell.The DTM call is then re-established in the target cell.

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Figure 78. DTM call; external handover, source BSC

MS BTS BSC MSC

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

MEASUREMENT RESULT

MEASUREMENT REPORT

HANDOVER REQUIRED

HANDOVER COMMAND

CLEAR COMMAND

CLEAR COMPLETE

004199 DTM_CALL_HO_SUCC_TO_DTM_CELL

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

106013 DTM_RELEASES_DUE_CS_HO

072202 DL_TBF_RELEASES_DUE_DTM

105011 DTM_DURATION_SUM_FR

072201 UL_TBF_RELEASES_DUE_DTM

004198 DTM_CALL_HO_ATT_TO_DTM_CELL

MS has a DTM allocation

Channel reservation and activation in the target BSC

HO signalling in the target BSC

CS connection continues in the CS territory of the target cell.The DTM call is then re-established in the target cell.

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Figure 79. DTM call; external handover, target BSC

MS BTS BSC MSC

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

HANDOVER ACCESS

HANDOVER DETECTION

PHYSICAL INFO

SABM

ESTABLISH INDICATION

UA

HANDOVER COMPLETE

RR

DTM INFORMATION

HANDOVER REQUEST

HANDOVER REQUESTACKNOWLEDGE

External handover decision in the source BSC

HO signalling in the source BSC, the MSC sends a HO command

Old resources released in the source BSC

The DTM call is then re-established in the target cell.CS connection continues in the CS territory of the target cell.

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Figure 80. DTM call release initiated by the MS

MS BTS BSC MSC

DISCONNECT

RELEASE

RELEASE COMPLETE

CLEAR COMMAND

106012 DTM_RELEASES_DUE_CS_RELEASE

CLEAR COMPLETE

CHANNEL RELEASE

DEACTIVATE SACCH

UA

DISC

RELEASE INDICATION

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

MS has a DTM allocation with ongoing UL and/or DL TBFs

072201 UL_TBF_RELEASES_DUE_DTM

072202 DL_TBF_RELEASES_DUE_DTM

105011 DTM_DURATION_SUM_FR

071037 TCH_RESERV_BY_DTM_MS

071038 REPORTING_TIME_BY_DTM_MS

START TIMER T3111

TIMER T3111 EXPIRES

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Figure 81. DTM call release; packet data transfer end

MS BTS BSC MSC

SABM

UA

106011 DTM_RELEASES_DUE_PS_RELEASE

SGSN

Last LLC PDU

RR

DL Data Frame (final block), polling

UNACK MODE: Packet Control Ack

ASSIGNMENT COMMAND

PHYSICAL CONTEXT REQUEST

ASSIGNMENT COMPLETE

HANDOVER PERFORMED

RF CHANNEL RELEASE ACK

ACK MODE: (EGPRS) Packet DL Ack /Nack (final ack)

PHYSICAL CONTEXT CONFIRM

CHANNEL ACTIVATION ACK

CHANNEL ACTIVATION

RF CHANNEL RELEASE

051192 INTRA_DTM_PS_TO_CS

105011 DTM_DURATION_SUM_FR

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

CS connection continues in the CS territory

MS has a DTM allocation with ongoing UL and/or DL TBFs

RR

ESTABLISH INDICATION

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Figure 82. DTM REQUEST rejected when IMSI data not available

MS BTS BSC MSC

CHANNEL REQUEST

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

IMMEDIATE ASSIGNMENT

SABMESTABLISH INDICATION

UA

CLASSMARK CHANGE

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

ASSIGNMENT COMMAND

SABMESTABLISH INDICATION

UA

ASSIGNMENT COMPLETE

DTM REQUEST

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

CONNECT ACK

CONNECT

DTM REJECT

106002 MO_DTM_CALL_REJECTS_INI

GPRS INFORMATION

SETUP

CALL PROCEEDING

ALERT

RR

SGSN

LLC PDU

CM SERVICE REQUEST

CLASSMARK UPDATE

COMMON ID (not received)

106000 MO_DTM_CALL_REQUESTS_INI

106017 DTM_IMSI_NOT_AVAILABLE

PHYSICAL CONTEXT REQUEST

PHYSICAL CONTEXT CONFIRM

Authentication, identity request and ciphering

MS continues in dedicated mode.

ASSIGNMENT REQUEST

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Figure 83. Unsuccessful MO DTM; activation of a CS TCH in the PS territoryfails, timer expires while waiting for CHANNEL ACTIVATION ACK

MS BTS BSC

MEASUREMENT REPORT

CHANNEL ACTIVATION

PHYSICAL CONTEXT REQUEST

PHYSICAL CONTEXT CONFIRM

106000 MO_DTM_CALL_REQUESTS_INI

CHANNEL ACTIVATION ACK (not received)

Start T9103

T9103 expires

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

DTM REQUEST

MEASUREMENT RESULT

105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL

105009 DTM_ALLOCATIONS_INITIAL

105021 DTM_ALLOC_1_UL_PS_TSL or105022 DTM_ALLOC_2_UL_PS_TSL

106002 MO_DTM_CALL_REJECTS_INI

CS call continues on the old TCH channel

MS in dedicated mode

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Figure 84. Unsuccessful MT DTM; activation of a CS TCH in the PS territoryfails, timer expires while waiting for CHANNEL ACTIVATION ACK

SGSNMS BTS BSC

MEASUREMENT REPORT

CHANNEL ACTIVATION

Start T9103

T9103 expires

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

105000 MT_DTM_CALL_REQUESTS_INI

DL LLC PDU

MEASUREMENT RESULT

PHYSICAL CONTEXT REQUEST

CHANNEL ACTIVATION ACK (not received)

105009 DTM_ALLOCATIONS_INITIAL

105019 DTM_REQ_2_DL_PS_TSL105018 DTM_REQ_1_DL_PS_TSL or

105023 DTM_ALLOC_1_DL_PS_TSL or105024 DTM_ALLOC_2_DL_PS_TSL

105002 MT_DTM_CALL_REJECTS_INI

PHYSICAL CONTEXT CONFIRM

MS in dedicated mode

CS call continues on the old TCH channel

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Figure 85. Unsuccessful MT DTM; DTM ASSIGNMENT FAILURE received

MS BTS BSC

SABM

ESTABLISH INDICATION

UA

DTM ASSIGNMENT FAILURE

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

RR

DTM ASSIGNMENT COMMAND

106008 DTM_ASSIGN_FAILURES_INI

106018 DTM_ASSIGN_COMMANDS

CS call continues on the old TCH channel

MT DTM call establishment started; see MT DTM scenario untilDTM ASSIGNMENT COMMAND in figure MT DTM call establishment

105011 DTM_DURATION_SUM_FR

105015 PEAK_DTM_CS_SIMULTAN

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Figure 86. Timer T3107 expires while waiting for ASSIGNMENT COMPLETE

MS BTS BSC MSC

SABM

ESTABLISH INDICATION

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

106010 MS_LOST_DURING_ASSIGNMENT

CLEAR REQUEST

CLEAR COMMAND

CLEAR COMPLETE

DTM ASSIGNMENT COMMAND

UA

ASSIGNMENT COMPLETE (not received)

T3107 expires

106018 DTM_ASSIGN_COMMANDS

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

Release of the new TCH channel

Release of the old TCH channel

MO or MT DTM call establishment started; see MT DTM scenario untilDTM ASSIGNMENT COMMAND in figure MT DTM call establishment

Start T3107

105011 DTM_DURATION_SUM_FR

105015 PEAK_DTM_CS_SIMULTAN

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Figure 87. DTM call reallocation failure; DTM ASSIGNMENT FAILUREreceived

MS BTS BSC

PHYSICAL CONTEXT REQUEST

PHYSICAL CONTEXT CONFIRM

MEASUREMENT REPORT

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

RR

106009 DTM_ASSIGN_FAILURES_REALLO

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

105005 DTM_REALLO_REQ_PS_QUAL

PS quality control detectsinadequate quality

MEASUREMENT RESULT

DTM ASSIGNMENT COMMAND

DTM ASSIGNMENT FAILURE

105010 DTM_REALLOCATIONS

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

DTM call continues on the old resources

MS has a DTM allocation with ongoing UL and/or DL TBFs

106018 DTM_ASSIGN_COMMANDS

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Figure 88. DTM CS connection drops after ASSIGNMENT COMPLETE;CONNECTION FAILURE received

MS BTS BSC MSC

HANDOVER PERFORMED

DISC

CLEAR COMMAND

CHANNEL RELEASE

DEACTIVATE SACCH

UA

RF CHANNEL RELEASE ACK

RF CHANNEL RELEASE

RELEASE INDICATION

CLEAR COMPLETE

CONNECTION FAILURECLEAR REQUEST

001234 DROP_DTM_TCH_ASCMPL_RFCH_REL

Radio Link Failure detected

ASSIGNMENT COMPLETE

MS has a DTM allocation with ongoing UL and/or DL TBFs;for example, see figure MO DTM call establishment

001233 DROP_AFTER_DTM_TCH_ASSIGN

071037 TCH_RESERV_BY_DTM_MS

071038 REPORTING_TIME_BY_DTM_MS

105011 DTM_DURATION_SUM_FR

072202 DL_TBF_RELEASES_DUE_DTM072201 UL_TBF_RELEASES_DUE_DTM or

RF CHANNEL RELEASE ACK

RF CHANNEL RELEASE

106014 DTM_RELEASES_DUE_OTHER

051189 INTRA_DTM_MO_CS_TO_PS

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

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Figure 89. DTM CS connection drops after ASSIGNMENT COMPLETE;RELEASE INDICATION not received

MS BTS BSC MSC

RELEASE

RELEASE COMPLETE

CLEAR COMMAND

CHANNEL RELEASE

DEACTIVATE SACCH SCCP RELEASE COMPLETE

SCCP RELEASE

DISCONNECT

RF CHANNEL RELEASE ACK

RF CHANNEL RELEASE

001234 DROP_DTM_TCH_ASCMPL_RFCH_REL

DISC (not received)

RELEASE INDICATION (not received)

T3109 expires

Start T3109

MS has a DTM allocation with ongoing UL and/or DL TBFs; for example, see figureMO DTM call establishment

105011 DTM_DURATION_SUM_FR

072202 DL_TBF_RELEASES_DUE_DTM

072201 UL_TBF_RELEASES_DUE_DTM

CLEAR COMPLETE

106012 DTM_RELEASES_DUE_CS_RELEASE

071038 REPORTING_TIME_BY_DTM_MS

071037 TCH_RESERV_BY_DTM_MS

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Figure 90. Unsuccessful DTM call reallocation; timer T3107 expires whilewaiting for ASSIGNMENT COMPLETE

MS BTS BSC MSC

CHANNEL ACTIVATION

CHANNEL ACTIVATION ACK

SABM

ESTABLISH INDICATION

MEASUREMENT REPORT

106018 DTM_ASSIGN_COMMANDS

T3107 expires

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

RF CHANNEL RELEASE

RF CHANNEL RELEASE ACK

CLEAR REQUEST

CLEAR COMMAND

CLEAR COMPLETE

106024 MS_LOST_DURING_REALLOCATION

071037 TCH_RESERV_BY_DTM_MS

071038 REPORTING_TIME_BY_DTM_MS

105011 DTM_DURATION_SUM_FR

T3111 expires

PS quality control detects inadequate quality

105010 DTM_REALLOCATIONS

105018 DTM_REQ_1_DL_PS_TSL or105019 DTM_REQ_2_DL_PS_TSL

105023 DTM_ALLOC_1_DL_PS_TSL or

105024 DTM_ALLOC_2_DL_PS_TSL

001233 DROP_AFTER_DTM_TCH_ASSIGN

001234 DROP_DTM_TCH_ASCMPL_RFCH_REL

Release of the old TCH channel

Release of the new TCH channel

MS has a DTM allocation with one DL PS TSL allocation

105005 DTM_REALLO_REQ_PS_QUAL

DTM ASSIGNMENT COMMAND DTM ASSIGNMENT COMMAND

PHYSICAL CONTEXT REQUEST

MEASUREMENT RESULT

PHYSICAL CONTEXT CONFIRM

ASSIGNMENT COMPLETE (not received)

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Figure 91. DTM TBF assignment failure; UL RLC block not received

MS BTS BSC MSC

CHANNEL ACTIVATION

SABMESTABLISH INDICATION

UL RLC block (not received)

106018 DTM_ASSIGN_COMMANDS

106000 MO_DTM_CALL_REQUESTS_INI

MS requests a UL TBF

dummy RLC block

Expiry of DTM_CALL_ASSIGN_TIMER

105008 DTM TBF ASSIGNMENT FAILURES

105011 DTM_DURATION_SUM_FR

ASSIGNMENT COMMAND

ESTABLISH INDICATIONUA

ASSIGNMENT COMPLETEHANDOVER PERFORMED

RF CHANNEL RELEASE

051198 INTRA_DTM_PS_TO_CS

071037 TCH_RESERV_BY_DTM_MS

071038 REPORTING_TIME_BY_DTM_MS

RR

106011 DTM_RELEASES_DUE_PS_RELEASE

105009 DTM_ALLOCATIONS_INITIAL

105016 DTM_REQ_1_UL_PS_TSL or105017 DTM_REQ_2_UL_PS_TSL

105021 DTM_ALLOC_1_UL_PS_TSL or

105022 DTM_ALLOC_2_UL_PS_TSL

105015 PEAK_DTM_CS_SIMULTANUA

MEASUREMENT RESULT

ASSIGNMENT COMMAND

dummy RLC block

ASSIGNMENT COMPLETEASSIGNMENT COMPLETE

CS connection continues in the CS territory

DTM ASSIGNMENT COMMAND DTM ASSIGNMENT COMMAND

PHYSICAL CONTEXT REQUEST

PHYSICAL CONTEXT CONFIRM

CHANNEL ACTIVATION ACK

PHYSICAL CONTEXT REQUESTPHYSICAL CONTEXT CONFIRM

CHANNEL ACTIVATION ACK

CHANNEL ACTIVATION

RF CHANNEL RELEASE ACK

MS in dedicated mode, MO call

DTM REQUEST DTM REQUEST

MEASUREMENT REPORT

RR

SABM

ASSIGNMENT COMPLETE

Start DTM_CALL_ASSIGN_TIMER

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Figure 92. DTM-capable MS paging

Related topics

. 1 Traffic Measurement

. Counters of Traffic Measurement

. 4 Handover Measurement

. Counters of Handover Measurement

. 51 BSC Level Clear Code (PM) Measurement

. Counters of 51 BSC Level Clear Code (PM) Measurement

. 71 MS Capability Indication Measurement

. Counters of MS Capability Indication Measurement

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. 72 Packet Control Unit Measurement

. Counters of Packet Control Unit Measurement

. 105 PS DTM Measurement

. Counters of PS DTM Measurement

. 106 CS DTM Measurement

. Counters of CS DTM Measurement

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Signalling charts of Dual Transfer Mode