Siemens AG MOC O-CSI 04/08/2023

Company confidential - for internal use only document.xls Thomas Scholle, ICM N PG NM NE P 3

Mobile originated CSI call / O-CSI

1. ISUP: IAM/ACM CALL_SETUP_MSG (MSC <-> SSP)2. CAP: IN_O_CSI_DIALOG (SSP <-> SCP)3. ISUP: IAM/ACM CALL_SETUP_MSG (SSP <-> PSTN)4. ISUP: IAM/ACM CALL_RELEASE (PSTN <-> SSP)5. ISUP: IAM/ACM CALL_RELEASE (SSP <-> MSC)

2.1. 3.5. 4.MSC/VLR SSP

SCP

PSTN

Siemens AG MTC T-CSI new number 04/08/2023

Company confidential - for internal use only document.xls Thomas Scholle, ICM N PG NM NE P 3

Mobile terminated CSI call / T-CSI user (SoA, GMSC /= VMSC)(double interrogation to HLR / new number from SCP)

1. ISUP: IAM/ACM CALL_SETUP_MSG (PSTN <-> Gateway)2. ISUP: IAM/ACM CALL_SETUP_MSG (Gateway <-> SSP)3. MAP: SEND_ROUTING_INFO (SSP <-> HLR)

1. 4. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SSP)5. MAP: PROVIDE_SUBSCRIBER_INFO (SSP <-> HLR)6. MAP: PROVIDE_SUBSCRIBER_INFO_ACK (HLR <-> SSP)7. CAP: IN_T_CSI_DIALOG (SSP <-> SCP)

15. 7. 8. MAP: SEND_ROUTING_INFO (SSP <-> HLR)2. 12. 9. MAP: PROVIDE_ROAMING_NUMBER (HLR <-> MSC)

14. 13. 10. MAP: PROVIDE_ROAMING_NUMBER_ACK (MSC <-> HLR)11. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SSP)

3. 12. ISUP: IAM/ACM Call-Setup-Msg (SSP <-> MSC)8. 9. 13. ISUP: IAM/ACM CALL_RELEASE_MSG (MSC <-> SSP)

5. 9. 6. 14. ISUP: IAM/ACM CALL_RELEASE_MSG (SSP <-> Gateway)4. 10. 15. ISUP: IAM/ACM CALL_RELEASE_MSG (Gateway <-> PSTN)

11.

Gateway SSP

HLR

SCP

MSC

PSTN

Siemens AG MTC T-CSI no new number 04/08/2023

Company confidential - for internal use only document.xls Thomas Scholle, ICM N PG NM NE P 3

Mobile terminated CSI call / T-CSI user (SoA, GMSC /= VMSC)(double interrogation to HLR / no new number from SCP)

1. ISUP: IAM/ACM CALL_SETUP_MSG (PSTN <-> Gateway)2. ISUP: IAM/ACM CALL_SETUP_MSG (Gateway <-> SSP)3. MAP: SEND_ROUTING_INFO (SSP <-> HLR)

1. 4. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SSP)5. CAP: IN_T_CSI_DIALOG (SSP <-> SCP)6. MAP: SEND_ROUTING_INFO (SSP <-> HLR)7. MAP: PROVIDE_ROAMING_NUMBER (HLR <-> MSC)

5. 8. MAP: PROVIDE_ROAMING_NUMBER_ACK (MSC <-> HLR)2. 10. 9. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SSP)

10. ISUP: IAM/ACM CALL_SETUP_MSG (SSP <-> MSC)11. ISUP: IAM/ACM CALL_RELEASE_MSG (MSC <-> SSP)

3. 12. ISUP: IAM/ACM CALL_RELEASE_MSG (SSP <-> Gateway)+ 7. 13. ISUP: IAM/ACM CALL_RELEASE_MSG (Gateway <-> PSTN)6.

9.4. 8.

Gateway SSP

HLR

SCP

MSC

PSTN

Siemens AG MMC O-CSI T-CSI new number 04/08/2023

Company confidential - for internal use only document.xls Thomas Scholle, ICM N PG NM NE P 3

Mobile to mobile CSI call / O-CSI & T-CSI user(double interrogation to HLR / new number from SCP)

1. ISUP: IAM/ACM CALL_SETUP_MSG (MSC1 <-> SSP1)2. CAP: IN_O_CSI_DIALOG (SSP1 <-> SCP1)3. MAP: SEND_ROUTING_INFO (SSP1 <-> HLR2)4. MAP: SEND_ROUTING_INFO_ACK (HLR2 <-> SSP1)5. ISUP: IAM/ACM CALL_SETUP_MSG (SSP1 <-> SSP2)6. MAP: PROVIDE_SUBSCRIBER_INFO (SSP2 <-> HLR2)7. MAP: PROVIDE_SUBSCRIBER_INFO_ACK (HLR2 <-> SSP2)

2. 8. 8. CAP: IN_T_CSI_DIALOG (SSP2 <-> SCP2)5. 13. 9. MAP: SEND_ROUTING_INFO (SSP2 <-> HLR2)

15. 14. 10. MAP: PROVIDE_ROAMING_NUMBER (HLR2 <-> MSC2)11. MAP: PROVIDE_ROAMING_NUMBER_ACK (MSC2 <-> HLR2)

16. 6. 12. MAP: SEND_ROUTING_INFO_ACK (HLR2 <-> SSP2)4. + 4.+ 10. 13. ISUP: IAM/ACM CALL_SETUP_MSG (SSP2 <-> MSC2)

3. 9. 14. ISUP: IAM/ACM CALL_RELEASE (MSC 2 <-> SSP 2)12. 5. + 11. 15. ISUP: IAM/ACM CALL_RELEASE (SSP 2 <-> SSP 1)

1. 7. 16. ISUP: IAM/ACM CALL_RELEASE (SSP 1 <-> MSC 1)

SSP 1 SSP 2

HLR 2

SCP 2

MSC 2

SCP 1

MSC 1

Siemens AG MMC O-CSI T-CSI no new number 04/08/2023

Company confidential - for internal use only document.xls Thomas Scholle, ICM N PG NM NE P 3

Mobile to mobile CSI call / O-CSI & T-CSI user(double interrogation to HLR / no new number from SCP)

1. ISUP: IAM/ACM CALL_SETUP_MSG (MSC1 <-> SSP1)2. CAP: IN_O_CSI_DIALOG (SSP1 <-> SCP1)3. MAP: SEND_ROUTING_INFO (SSP1 <-> HLR2)4. MAP: PROVIDE_ROAMING_NUMBER (HLR2 <-> MSC2)5. MAP: PROVIDE_ROAMING_NUMBER_ACK (MSC2 <-> HLR2)6. MAP: SEND_ROUTING_INFO_ACK (HLR2 <-> SSP1)7. ISUP: IAM/ACM CALL_SETUP_MSG (SSP1 <-> SSP2)

2. 8. 8. CAP: IN_T_CSI_DIALOG (SSP2 <-> SCP2)7. 11. 9. MAP: PROVIDE_SUBSCRIBER_INFO (HLR2 <-> MSC2)

13. 12. 10. MAP: PROVIDE_SUBSCRIBER_INFO_ACK (MSC 2<-> HLR 2)11. ISUP: IAM/ACM CALL_SETUP_MSG (SSP2 <-> MSC2)

14. 6. 9. 12. ISUP: IAM/ACM CALL_RELEASE (MSC 2 <-> SSP 2)4. 13. ISUP: IAM/ACM CALL_RELEASE (SSP 2 <-> SSP 1)

14. ISUP: IAM/ACM CALL_RELEASE (SSP 1 <-> MSC 1)3. 5.

1. 10.

SSP 1 SSP 2

HLR 2

SCP 2

MSC 2

SCP 1

MSC 1

Siemens AG CAMEL PS MO 04/08/2023

Company confidential - for internal use only document.xls Thomas Scholle, ICM N PG NM NE P 3

Mobile Originated Prepaid Context Activation for Prepaid Service

2. 1. CAP: IN_GPRS_CSI_DIALOG (SGSN <-> SCP)2. IP: CREATE_PDP_CONTEXT_REQUEST (SGSN <-> GGSN)

3. 3. IP: CREATE_PDP_CONTEXT_RESPONSE (GGSN <-> SGSN)

1. Remark: The gprsSSF is included in the SGSNMessage 2+3 are not relevant for C7

SGSN/SLR GGSN

SCPHLR

Siemens AG CAMEL PS MT 04/08/2023

Company confidential - for internal use only document.xls Thomas Scholle, ICM N PG NM NE P 3

Prepaid Network Initiated Context Activation(not supported, subscriber is registered in SGSN 2, SGSN 1 is used as signaling relay point instead of Gc interface at GGSN)

1. IP: SEND_ROUTING_INFO_FOR_GPRS (GGSN <-> SGSN 1)8. 2. MAP: SEND_ROUTING_INFO_FOR_GPRS (SGSN 1 <-> HLR)

9. 3. MAP: SEND_ROUTING_INFO_FOR_GPRS_ACK (HLR <-> SGSN 1)5. 1. 4. IP: SEND_ROUTING_INFO_FOR_GPRS_ACK (SGSN 1 <-> GGSN)

5. IP: PDU_NOTIFICATION_REQUEST (GGSN <-> SGSN 2)6. IP: PDU_NOTIFICATION_RESPONSE (SGSN 2 <-> GGSN)

6. 4. 7. CAP: IN_GPRS_CSI_DIALOG (SGSN 2 <-> SCP)8. IP: CONTEXT_REQUEST (SGSN 2 <-> GGSN)9. IP: CONTEXT_RESPONSE (GGSN <-> SGSN 2)

2. Remark: Identical für GPRS & UMTS POSGSN has integrated gprsSSF function

7.

3.

SGSN 2 SGSN 1

GGSN

HLRSCP

CS Mobile Originated Short Message Service CAMEL Not yet in big table

1. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)2. CAP: IN_PPS_SMS_CONTINUE (SCP <-> SSP)3. MAP: MO_FORWARD_SHORT_MESSAGE (MSC/VLR <-> SMS Gateway MSC)

2. 4. MAP: SEND_SHORT_MESSAGE (SMS Gateway MSC <-> SM-SC)5. MAP: SMS_DELIVERY_REPORT (SM-SC <-> SMS Gateway MSC)

1. 6. MAP: MO_FORWARD_SHORT_MESSAGE_RESULT (SMS Gateway MSC <-> MSC/VLR)3. 4.6. 5.

Remark: Instead of SMS Gateway MSC alsoa SMS Gatway SGSN could be used.

MSC/VLRSSP

SMSGateway

MSCGateway

SM-SC

SCP

1. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)2. CAP: IN_PPS_SMS_CONTINUE (SCP <-> SSP)3. MAP: MO_FORWARD_SHORT_MESSAGE (MSC/VLR <-> SMS Gateway MSC)4. MAP: SEND_SHORT_MESSAGE (SMS Gateway MSC <-> SM-SC)5. MAP: SMS_DELIVERY_REPORT (SM-SC <-> SMS Gateway MSC)6. MAP: MO_FORWARD_SHORT_MESSAGE_RESULT (SMS Gateway MSC <-> MSC/VLR)

Instead of SMS Gateway MSC alsoa SMS Gatway SGSN could be used.

CS Mobile Terminated Short Message Service CAMEL Not yet in big table

1. MAP: SEND_SHORT_MESSAGE (SM-SC <-> SMS Gateway MSC)2. MAP: SEND_ROUTING_INFO (SMS Gateway MSC <-> HLR)3. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SMS Gateway MSC)

5. 4. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)4. 5. CAP: IN_PPS_SMS_CONTINUE (SCP <-> SSP)

1. 6. 6. MAP: MT_FORWARD_SHORT_MESSAGE (SMS Gateway MSC <-> MSC)8. 7. 7. MAP: MT_FORWARD_SHORT_MESSAGE_RESULT (MSC <-> SMS Gateway MSC)

8. MAP: SMS_DELIVERY_REPORT (SMS Gateway MSC <-> SM-SC)3.

2.

Remark:

SCSMS

Gateway MSC

MSC/VLRC

HLR

SM-SCSMS

Gateway MSC

MSC/VLR

HLR

SCP

Not yet in big table

1. MAP: SEND_SHORT_MESSAGE (SM-SC <-> SMS Gateway MSC)2. MAP: SEND_ROUTING_INFO (SMS Gateway MSC <-> HLR)3. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SMS Gateway MSC)4. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)5. CAP: IN_PPS_SMS_CONTINUE (SCP <-> SSP)6. MAP: MT_FORWARD_SHORT_MESSAGE (SMS Gateway MSC <-> MSC)7. MAP: MT_FORWARD_SHORT_MESSAGE_RESULT (MSC <-> SMS Gateway MSC)8. MAP: SMS_DELIVERY_REPORT (SMS Gateway MSC <-> SM-SC)

SC is what is usually called SMSC in2. Message equals in Siemens technology2. Message equals in Siemens technologyto message 1.

Instead of SMS Gateway MSC alsoa SMS Gatway SGSN could be used.In that case the SSF is integrated into SGSN

PS Mobile Originated Short Message Service CAMEL Not yet in big table

1. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)2. MAP: MO_FORWARD_SHORT_MESSAGE (SGSN <-> SMS Gateway MSC)3. MAP: SEND_SHORT_MESSAGE (SMS Gateway MSC <-> SM-SC)4. MAP: SMS_DELIVERY_REPORT (SM-SC <-> SMS Gateway MSC)5. MAP: MO_FORWARD_SHORT_MESSAGE_RESULT (SMS Gateway MSC <-> SGSN)

1.Remark: Instead of SMS Gateway MSC also

2. 3. a SMS Gatway SGSN could be used.5. 4. SSF included in SGSNSGSN

/SLR

SMSGateway

MSCGateway

SM-SC

SCP

1. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)2. MAP: MO_FORWARD_SHORT_MESSAGE (SGSN <-> SMS Gateway MSC)3. MAP: SEND_SHORT_MESSAGE (SMS Gateway MSC <-> SM-SC)4. MAP: SMS_DELIVERY_REPORT (SM-SC <-> SMS Gateway MSC)5. MAP: MO_FORWARD_SHORT_MESSAGE_RESULT (SMS Gateway MSC <-> SGSN)

Instead of SMS Gateway MSC alsoa SMS Gatway SGSN could be used.SSF included in SGSN

PS Mobile Terminated Short Message Service CAMEL Not yet in big table

1. MAP: SEND_SHORT_MESSAGE (SM-SC <-> SMS Gateway MSC)2. MAP: SEND_ROUTING_INFO (SMS Gateway MSC <-> HLR)3. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SMS Gateway ;SC)4. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)

4. 5. MAP: MT_FORWARD_SHORT_MESSAGE (SMS Gateway MSC <-> SGSN)6. MAP: MT_FORWARD_SHORT_MESSAGE_RESULT (SGSN <-> SMS Gateway MSC)

1. 5. 7. MAP: SMS_DELIVERY_REPORT (SGSN <-> SM-SC)7. 6.

3. Remark: 2.

SM-SCSMS

Gateway MSC

SGSN

HLR

SCP

Not yet in big table

1. MAP: SEND_SHORT_MESSAGE (SM-SC <-> SMS Gateway MSC)2. MAP: SEND_ROUTING_INFO (SMS Gateway MSC <-> HLR)3. MAP: SEND_ROUTING_INFO_ACK (HLR <-> SMS Gateway ;SC)4. CAP: IN_PPS_SMS_DIALOG (SSP <-> SCP)5. MAP: MT_FORWARD_SHORT_MESSAGE (SMS Gateway MSC <-> SGSN)6. MAP: MT_FORWARD_SHORT_MESSAGE_RESULT (SGSN <-> SMS Gateway MSC)7. MAP: SMS_DELIVERY_REPORT (SGSN <-> SM-SC)

2. Message equals in Siemens technologyto message 1.

Instead of SMS Gateway MSC alsoa SMS Gatway SGSN could be used.In that case the SSF is integrated into SGSN