Call Forwarding Scenarios
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Transcript of Call Forwarding Scenarios
![Page 1: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/1.jpg)
4. STANDARD SINGALING PROCESSES OF CALL FORWARDING SCENARIOS
4.1. Case 1: Prepaid subscriber B forwards a call to own or an imported number
Figure4.1: Case 1: Prepaid subscriber B forwards a call to an imported number
IDP from MSC to Eagle 5 ISS (Message 1 in Error: Reference source not found8)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 3054096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g.GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF (SCP/ IN)
IDP from the Eagle 5 ISS to the PP SCP (Message 2 in Error: Reference source not found8)
MSC STP-NPDB HLR
UEMSISDN
Origination Type =Forwarded Call.
Call Allowed4. IAM (CdPN= MSRN)
SRI message for B Party is sent to HLR
1.SRI(MSISDN=MSISDN)
3. SRI_ACK(FTN=C-MSISDN)
2. SRI (MSISDN=MSISDN)
SRI message for C Party is sent to HLR
4. SRI(MSISDN=C-MSISDN)
2. SRI (MSISDN=C-MSISDN)
3. SRI_ACK(MSRN=MSRN)
![Page 2: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/2.jpg)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 3054096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g.GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF (SCP/ IN)
CONNECT from the PP SCP to the MSC (Message 3 in Error: Reference source not found8)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 3054096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF (SCP/ IN)
Called party NAI: International Number;
Called party number l: e.g. GT OF MSC
MAP SRI (FOR B) from MSC TO Eagle 5 ISS (Message 4 in Error: Reference source not found8)
MAP:
CdPN Nature of Address Indicator: International Number;
CdPN Address Signal: B-MSISDN e.g. 923054096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF HLR
SRI FROM Eagle 5 ISS TO HLR (Message 6 in Error: Reference source not found8)
MAP:
![Page 3: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/3.jpg)
DRA CdPN Nature of Address Indicator: International Number;
DRA CdPN Address Signal: B-MSISDN e.g. 923054096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF HLR
SRI ACK FROM HLR TO MSC (Message 7 in Error: Reference source not found8)
MAP:
DRA CdPN Nature of Address Indicator: International Number;
DRA CdPN Address Signal: FTN=C-MSISDN e.g. 923331111111
SCCP:
Calling party NAI: International Number;
Calling party number l: GT OF HLR
Called party NAI: International Number;
Called party number l: GT OF MSC
MAP SRI (FOR C) from MSC TO Eagle 5 ISS (Message 8 in Error: Reference source not found8)
MAP:
CdPN Nature of Address Indicator: International Number;
CdPN Address Signal: C-MSISDN 923331111111
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF HLR
SRI FROM Eagle 5 ISS TO HLR (Message 9 in Error: Reference source not found8)
MAP:
DRA CdPN Nature of Address Indicator: International Number;
DRA CdPN Address Signal: C-MSISDN 923331111111
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF HLR
SRI ACK FROM HLR TO MSC (Message 3 in Error: Reference source not found8)
MAP:
![Page 4: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/4.jpg)
DRA CdPN Nature of Address Indicator: International Number:
DRA CdPN Address Signal: MSRN–C 923009900001
SCCP:
Calling party NAI: International Number;
Calling party number l: GT OF HLR
Called party NAI: International Number;
Called party number l: GT OF MSC
IAM FROM MSC TO GMSC (Message 10 in Error: Reference source not found8)
ISUP:
CdPN Nature of Address Indicator: International Number:
CdPN Address Signal: MSRN 923009900001
4.2. Case 2: Prepaid subscriber B forwards a call to an exported or foreign-ported number
Figure 4.2: Case 2: Prepaid subscriber B forwards a call to an exported or foreign-ported number
IDP from MSC to Eagle 5 ISS (Message 1 in Error: Reference source not found9)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 3054096568
MSC STP-NPDB HLR
UEMSISDN
SRI message for B Party is send to HLR
1.SRI(MSISDN=MSISDN)
3.SRI_ACK(FTN=C_MSISDN)
2. SRI (MSISDN=MSISDN)
4.SRI(MSISDN=C_MSISDN)
3.SRI_ACK(MSRN=RN+C_MSISDN)
Origination Type=Forwarded Call. Call disallowed
SRI message for C Party is send to HLR
4. REL
![Page 5: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/5.jpg)
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g.GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF (SCP/ IN)
IDP from the Eagle 5 ISS to the PP SCP (Message 2 in Error: Reference source not found9)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 3054096568
SCCP:
Calling party NAI: National Number;
Calling party number l: e.g.GT OF MSC
Called party NAI: National Number;
Called party number l: e.g. GT OF (SCP/ IN)
CONNECT from the PP SCP to the MSC (Message 3 in Error: Reference source not found9)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 3054096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF (SCP/ IN)
Called party NAI: International Number;
Called party number l: e.g. GT OF MSC
MAP SRI (FOR B) from MSC TO Eagle 5 ISS (Message 4 in Error: Reference source not found9)
MAP:
CdPN Nature of Address Indicator: International Number;
CdPN Address Signal: B-MSISDN e.g.923054096568
![Page 6: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/6.jpg)
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF HLR
SRI FROM Eagle 5 ISS TO HLR (Message 4 in Error: Reference source not found9)
MAP:
DRA CdPN Nature of Address Indicator: International Number;
DRA CdPN Address Signal: B-MSISDN e.g.923054096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF HLR
SRI ACK FROM HLR TO MSC (Message 5 in Error: Reference source not found9)
MAP:
DRA CdPN Nature of Address Indicator: International Number;
DRA CdPN Address Signal: FTN=C-MSISDN e.g.923002222222
SCCP:
Calling party NAI: International Number;
Calling party number l: GT OF HLR
Called party NAI: International Number;
Called party number l: GT OF MSC
MAP SRI (FOR C) from MSC TO Eagle 5 ISS (Message 6 in Error: Reference source not found9)
MAP:
CdPN Nature of Address Indicator: International Number;
CdPN Address Signal: C-MSISDN e.g.923002222222
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF HLR
SRI ACK FROM STP TO MSC (Message 7 in Error: Reference source not found9)
MAP:
CdPN Nature of Address Indicator: National Number;
![Page 7: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/7.jpg)
CdPN Address Signal: RN+MSISDN D06993002222222
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF HLR
Called party NAI: International Number;
Called party number l: e.g. GT OF STP
IAM FROM MSC TO GMSC (Message 8 in Error: Reference source not found9)
ISUP:
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: RN + MSISDN e.g. D06993002222222
4.3. Case 3: Prepaid subscriber B forwards a call to a non-ported OLO number
Figure 4.3: Case 3: Prepaid subscriber B forwards a call to a non-ported OLO number C
IDP from MSC to Eagle 5 ISS (Message 1 in Error: Reference source not found4.3)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g.3451234567
MSC STP-NPDB HLR
UEMSISDN
SRI message for B Party is send to HLR 1.SRI(MSISDN=MSISDN)
3.SRI_ACK(FTN=C_MSISDN)
2. SRI (MSISDN=MSISDN)
4.SRI(MSISDN=C_MSISDN)
3.SRI_ACK(MSRN=RN+C_MSISDN)
Origination Type =Forwarded Call.
Call disallowed
GT via the STP
SRI message for C Party is send to HLR
![Page 8: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/8.jpg)
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g.GT OF MSC
Called party NAI: International Number;
Called party number l: e.g. GT OF (SCP/ IN)
IDP from the Eagle 5 ISS to the PP SCP (Message 2 in Error: Reference source not found4.3)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 3451234567
SCCP:
Calling party NAI: National Number;
Calling party number l: e.g.GT OF MSC
Called party NAI: National Number;
Called party number l: e.g. GT OF (SCP/ IN)
CONNECT from the PP SCP to the MSC (Message 3 in Error: Reference source not found4.3)
MAP:
Service Key: 95;
CdPN Nature of Address Indicator: National Number;
CdPN Address Signal: B-Party MSISDN e.g. 923064096568
SCCP:
Calling party NAI: International Number;
Calling party number l: e.g. GT OF (SCP/ IN)
Called party NAI: International Number;
Called party number l: e.g. GT OF MSC
SRI from MSC to Eagle 5 ISS (Message 4 in Error: Reference source not found)
MAP:
Nature of Address Indicator: International Number;
Address Signal: B-Party MSISDN e.g. 923064096568
SCCP:
Calling Party NAI: International Number
![Page 9: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/9.jpg)
Calling Party Number: e.g GT of MSC
Called Party NAI: Internaional Number
Called Party Number: e.g GT of HLR
SRI from the Eagle 5 ISS to HLR (Message 5 in Error: Reference source not found)
MAP:
Nature of Address Indicator: International Number;
Address Signal: B-Party MSISDN e.g. 923064096568
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g.GT of MSC
Called Party NAI: International Number
Called Party Number: e.g.GT of HLR
SRI ACK from the HLR to the MSC (Message 6 in Error: Reference source not found)
MAP:
Nature of Address Indicator: International Number;
DRA Address Signal: C-Party MSISDN e.g.923451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g.GT of HLR
Called Party NAI: International Number
Called Party Number: e.g GT of MSC
SRI from MSC to Eagle 5 ISS (Message 7 in Error: Reference source not found)
MAP:
Nature of Address Indicator: International Number;
Address Signal: C-Party MSISDN e.g. 923451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of MSC
Called Party NAI: Internaional Number
Called Party Number: e.g GT of HLR
SRI ACK from Eagle 5 ISS to MSC (Message 8 in Error: Reference source not found)
![Page 10: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/10.jpg)
MAP:
Nature of Address Indicator: National Number:
Address Signal: OLO Prefix+C-Party MSISDN DDD063451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of HLR
Called Party NAI: Internaional Number
C alled Party Number: e.g GT of MSC
4.4. Case 4: Post-paid subscriber B forwards a call to a regular Mobilink or imported number
Figure 4.4: Case 4: Post-paid subscriber B forwards a call to a regular Mobilink or imported number
SRI from MSC to Eagle 5 ISS (Message 1 in Error: Reference source not found1)
MAP:
Nature of Address Indicator: International Number;
Address Signal: C-Party MSISDN e.g. 923001234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g. GT of MSC
Called Party NAI: International Number
Called Party Number: e.g. GT of HLR
MSC STP-NPDB HLR
UEMSISDN
The call is set up to respective network
4. IAM (CdPN= MSRN)
SRI is routed on
GT via the STP 1. SRI (MSISDN=MSISDN)
3. SRI_ACK(MSRN=MSRN)
2. SRI (MSISDN=MSISDN)
(SCCP called GT= HLR address)
![Page 11: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/11.jpg)
SRI from the Eagle 5 ISS to HLR (Message 2 in Error: Reference source not found1)
MAP:
Nature of Address Indicator: International Number;
Address Signal: C-Party MSISDN 923001234567
SCCP:
Calling Pary NAI: International Number
Calling Party Number: e.g GT of MSC
Called Party NAI: Internaional Number
Called Party Number: HLRID e.g.D011
SRI ACK from the HLR to the MSC (Message 3 in Error: Reference source not found1)
MAP:
CdPn Nature of Address Indicator: International Number;
Address Signal: MSRN e.g.923009900001
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g.GT of HLR
Called Party NAI: International Number
Called Party Number: e.g.GT of MSC
ISUP IAM Message from MSC (Message 3 in Error: Reference source not found1)
ISUP:
Nature of Address Indicator: International Number
Called Party Number: MSRN e.g. 923009900001
4.5. Case 5 Post-paid Subscriber B forwards a call to an exported or foreign-ported number
![Page 12: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/12.jpg)
Figure 4.5: Case 5: Post-paid Subscriber B forwards a call to an exported or foreign-ported number
SRI from MSC to Eagle 5 ISS (Message 1 in Error: Reference source not found4.5)
MAP:
Nature of Address Indicator: International Number;
Address Signal: B-Party MSISDN e.g. 923064096568
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of MSC
Called Party NAI: Internaional Number
Called Party Number: e.g GT of HLR
SRI from the Eagle 5 ISS to HLR (Message 2 in Error: Reference source not found4.5)
MAP:
Nature of Address Indicator: International Number;
Address Signal: B-Party MSISDN e.g. 923064096568
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g.GT of MSC
Called Party NAI: International Number
MSC STP-NPDB HLR
UEMSISDN
SRI message for B Party is send to HLR
1.SRI(MSISDN=MSISDN)
3.SRI_ACK(FTN=C_MSISDN)
2. SRI (MSISDN=MSISDN)
4.SRI(MSISDN=C_MSISDN)
3.SRI_ACK(MSRN=RN+C_MSISDN)
Origination Type=Forwarded Call. Call disallowed
SRI message for C Party is send to HLR
4. REL
![Page 13: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/13.jpg)
Called Party Number: e.g.GT of HLR
SRI ACK from the HLR to the MSC (Message 3 in Error: Reference source not found4.5)
MAP:
Nature of Address Indicator: International Number;
DRA Address Signal: C-Party MSISDN e.g.923451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g.GT of HLR
Called Party NAI: International Number
Called Party Number: e.g GT of MSC
SRI from MSC to Eagle 5 ISS (Message 4 in Error: Reference source not found4.5)
MAP:
Nature of Address Indicator: International Number;
Address Signal: C-Party MSISDN e.g. 923451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of MSC
Called Party NAI: Internaional Number
Called Party Number: e.g GT of HLR
SRI ACK from Eagle 5 ISS to MSC (Message 5 in Error: Reference source not found4.5)
MAP:
Nature of Address Indicator: National Number:
Address Signal: RN+C-Party MSISDN D06993451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of HLR
Called Party NAI: Internaional Number
C alled Party Number: e.g GT of MSC
IAM from the MSC to GMSC (Message 6 in Figure 4.5)
ISUP:
CdPN Nature of Address Indicator: National Number;
![Page 14: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/14.jpg)
Address Signal: RN+C-Party MSISDN D06993451234567
4.6. Case 6: Post-paid subscriber B forwards a call to a non-ported OLO number
Figure 4.6: Case 6Post-paid subscriber B forwards a call to a non-ported OLO number
SRI from MSC to Eagle 5 ISS (Message 1 in Error: Reference source not found4.6)
MAP:
Nature of Address Indicator: International Number;
Address Signal: B-Party MSISDN e.g. 923064096568
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of MSC
Called Party NAI: Internaional Number
Called Party Number: e.g GT of HLR
SRI from the Eagle 5 ISS to HLR (Message 2 in Error: Reference source not found4.6)
MAP:
Nature of Address Indicator: International Number;
MSC STP-NPDB HLR
UEMSISDN
SRI message for B Party is send to HLR 1.SRI(MSISDN=MSISDN)
3.SRI_ACK(FTN=C_MSISDN)
2. SRI (MSISDN=MSISDN)
4.SRI(MSISDN=C_MSISDN)
5.SRI_ACK(MSRN=PFIX+C_MSISDN)
Origination Type =Forwarded Call.
Call disallowed
GT via the STP
SRI message for C Party is send to HLR
![Page 15: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/15.jpg)
Address Signal: B-Party MSISDN e.g. 923064096568
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g.GT of MSC
Called Party NAI: International Number
Called Party Number: e.g.GT of HLR
SRI ACK from the HLR to the MSC (Message 3 in Error: Reference source not found4.6)
MAP:
Nature of Address Indicator: International Number;
DRA Address Signal: C-Party MSISDN e.g.923451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g.GT of HLR
Called Party NAI: International Number
Called Party Number: e.g GT of MSC
SRI from MSC to Eagle 5 ISS (Message 4 in Error: Reference source not found4.6)
MAP:
Nature of Address Indicator: International Number;
Address Signal: C-Party MSISDN e.g. 923451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of MSC
Called Party NAI: Internaional Number
Called Party Number: e.g GT of HLR
SRI ACK from Eagle 5 ISS to MSC (Message 5 in Error: Reference source not found4.5)
MAP:
Nature of Address Indicator: National Number:
Address Signal: OLO Prefix+C-Party MSISDN DDD063451234567
SCCP:
Calling Party NAI: International Number
Calling Party Number: e.g GT of HLR
Called Party NAI: Internaional Number
C alled Party Number: e.g GT of MSC
![Page 16: Call Forwarding Scenarios](https://reader036.fdocuments.in/reader036/viewer/2022082803/5412a6777bef0a8f118b486b/html5/thumbnails/16.jpg)
IAM from the MSC to GMSC (Message 6 in Figure 4.5)
ISUP:
CdPN Nature of Address Indicator: National Number;
Address Signal: OLO Prefix+C-Party MSISDN DDD063451234567