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)

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:

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:

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

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

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;

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

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

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)

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)

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

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

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;

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

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

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