Camel_Cap2 Cap3 Call Flows

(G)MSC/VLR/SGSN

gsmSSF/gprsSSF gsmSCF MAP GW

SDP AF/USSD GWCCNSRP/IPGGSNSC HLR

SCP

IDP(DP2, ServiceKey,CdP#,CgP#,LN,..)Retrieve(FI)

RetriveResultRRBE(O_CalledPartyBusy,RouteSelectFailure,ONoAnswer,OAnswer)RRBE(OAbandon)

CUE()

ERB(OAnswer)

ACH(Duration)RRBE(ODisconnect & Legid=1)RRBE(ODisconnect&Legid=2)

CUE()

ACR(Duration_used)

ACH(Duration)

ACR(Duration_used)

ACH(Duration)

ACR(Duration_used,Callactive=FALSE)

ERB(ODisconnect,legid)

ReleaseCall

Retrieve(II)

RetrieveResult

Retrieve(II)

RetrieveResult

Retrieve(FinI)

RetrieveResult

Normal CAP2 Call / Long Duration Call

Unstructured SS NotifyUnstructured SS Notify

Unstructured SS Notify

Unstructured SS Notify ACKUnstructured SS Notify ACK

Unstructured SS Notify ACK

NormalVoiceCall - Outgoing

(G)MSC/VLR/SGSN


SDP AF/USSD GWCCNIP/SRPGGSNSC HLR

SCP


RetriveResult

RRBE(O_CalledPartyBusy,RouteSelectFailure,ONoAnswer,OAnswer)CUE()

ERB(OAnswer)


CUE()

ACR(Duration_used)

ACH(Duration)



ReleaseCall

Retrieve(II)

RetrieveResult

Retrieve(FinI)

RetrieveResult

Pre-call Announcement for a Long Duration Call - (Direct IP Mode)

RRBE(OAbandon)EstablishTemporaryConnect(AssistSSPIPAddress)

ISUP PATHARI(CorrID)

CTR()

PA(ANNC)

SRR()DisconnectforwardConn()

DISCONNECT (ISUP REL)





Precall Annc DirectIP mode

(G)MSC/VLR/SGSN


SDP AF/USSD GWCCNIP/SRPGGSNAssisting

gsmSSF HLRSCP


RetriveResult


ERB(OAnswer)


CUE()

ACR(Duration_used)

ACH(Duration)



ReleaseCall

Retrieve(II)

RetrieveResult

Retrieve(FinI)

RetrieveResult

Pre-call Announcement for a Long Duration Call - IP via AssistSSP


ARI(CorrID)

CTR()

PA(ANNC)


SRF ofAssistinggsmSSF

ISUP PATH

IPConnection

DiSCONNECT (REL ISUP)





Precall Annc IP Via Assist SSP

(G)MSC/VLR/SGSN


SDP AF/USSD GWCCNIPGGSNSC HLR

SCP


RetriveResult


ERB(OAnswer)


CUE()

ACR(Duration_used,Callactive=TRUE)

ACH(Duration,playTone)



ReleaseCall

Retrieve(II)

RetrieveResult

Retrieve(FinI)

RetrieveResult

LowBalance Call with Precall Annc(Direct IP example)


ISUP PATHARI(CorrID)

CTR()

PA(ANNC)


Prepaid Subscriber hear low balance tone 30 secs prior to disconnect

DISCONNECT ISUP REL





LowBalance with Annc -OG

(G)MSC/VLR/SGSN



SCP

IDP(DP2 | DP12, ServiceKey,CdP#,CgP#,LN,..)Retrieve(FI)

RetriveResult

Successful Toll Free call

Applicable for1. Outgoing Voice -DP22. Call Forwarding3. Incoming Call -DP12 andeventTypeT-BCSM

RRBE(O_CalledPartyBusy,RouteSelectFailure,ONoAnswer,OAnswer)RRBE(OAbandon)

CUE()

ERB(OAnswer)


CON()


ReleaseCall

Retrieve(FinI)

RetrieveResult

Successful Toll Free - ALL

(G)MSC/VLR/SGSN



SCP


RetriveResult

Not allowed Call

Applicable for1. Outgoing Voice -DP22. Call Forwarding3. Incoming Call -DP12 andeventtype T-BCSM

RRBE(OAbandon)

ReleaseCall

Not allowed Call

(G)MSC/VLR/SGSN



SCP


RetriveResult

CALL ABANDON / BUSY / NO-ANSWER / ROUTEFAILURE

Applicable for1. Outgoing Voice -DP22. Call Forwarding3. Incoming Call -DP12 andEventtype T-BCSM

RRBE(O_CalledPartyBusy,RouteSelectFailure,ONoAnswer,OAnswer)RRBE(OAbandon)

CUE()

ERB(OAbandon)

ReleaseCall

Call Abandon

Retrieve(FinI)

ReleaseCall


RetriveResultRRBE(O_CalledPartyBusy,RouteSelectFailure,ONoAnswer,OAnswer)

RRBE(OAbandon)CUE()

ERB(OBusy)

CON()

BUSY

Retrieve(FinI)

Retrieve Result


RetriveResultRRBE(O_CalledPartyBusy,RouteSelectFailure,ONoAnswer,OAnswer)

RRBE(OAbandon)CUE()

ERB(OBusy)

CON()

No-Answer

Retrieve(FinI)

ReleaseCall

Call Abandon Busy No-ans -- ALL

(G)MSC/VLR/SGSN



SCP


RetriveResultRRBE(T_CalledPartyBusy,TNoAnswer,TAnswer)RRBE(TAbandon)

CUE()

ERB(TAnswer)

ACH(Duration)RRBE(TDisconnect & Legid=1)RRBE(TDisconnect&Legid=2)

CUE()

ACR(Duration_used)

ACH(Duration)

ACR(Duration_used)

ACH(Duration)


ERB(TDisconnect,legid)

ReleaseCall

Retrieve(II)

RetrieveResult

Retrieve(II)

RetrieveResult

Retrieve(FinI)

RetrieveResult

Terminating CAP2 Call / Long Duration Call





TerminatingCall

(G)MSC/VLR/SGSN



SCP


RetriveResultRRBE(T_CalledPartyBusy, TNoAnswer,TAnswer)RRBE(TAbandon)

CUE()

ERB(OAnswer)


CUE()

ACR(Duration_used)

ACH(Duration)



ReleaseCall

Retrieve(II)

RetrieveResult

Retrieve(FinI)

RetrieveResult

Successful Call forwarding Unconditional case

ERB(TAnswer)

IDP(DP2, ServiceKey,CdP#, OrigCdPA#, CgP#,LN,..)Retrieve(FI)


CUE()

TC_END [ CUE()]

Retrieve(FI)RetrieveResult

REPRESENTS T-BCSM

REPRESENTS O-BCSM





Successful Call FWD Uncond Case

(G)MSC/VLR/SGSN



SCP


RetriveResultRRBE(T_CalledPartyBusy, TNoAnswer,TAnswer)RRBE(TAbandon)

CUE()

ERB(OAnswer)


CUE()

ACR(Duration_used)

ACH(Duration)



ReleaseCall

Retrieve(II)

RetrieveResult

Retrieve(FinI)

RetrieveResult

Successful Call forwarding BUSY case

ERB(TAnswer)

IDP(DP2, ServiceKey,CdP#, OrigCdPA#, CgP#,LN,..)Retrieve(FI)


CUE()

TC_END [ CUE()]

Retrieve(FI)

RetrieveResult

REPRESENTS T-BCSM

REPRESENTS O-BCSM





Successful Call FWD Busy

(G)MSC/VLR/SGSN



SCP

Retrieve(FI)

RetriveResult

RRBE(O_sms_submit,O_sms_fail)CUE_sms()

EventReportSMS(O_sms_submit)

SMS MO Successful - CAP3

IDPSMS(sms-collectedinfo, ServiceKey,CdP#,CgP#,LI | LISGSN)

Retrieve(FinI)

RetrieveResult

releaseSMS()

FSM_MOSMS

FSM_result

getSDPID(msisdn)

reponse(SDP_IPAddress)

IP Traffic

SS7 Messaging





SMS-MO Successful

(G)MSC/VLR/SGSN



SCP

Retrieve(FI)

RetriveResultRRBE(O_sms_submit,O_sms_fail)

CUE_sms()

EventReportSMS(O_sms_fail)

SMS MO Submit Failure- CAP3


Retrieve(FinI)

RetrieveResult

releaseSMS()

FSM_MOSMS

FSM_result

getSDPID(msisdn)


IP Traffic

SS7 Messaging

SMS MO Submit Failure

(G)MSC/VLR/SGSN



SCP

Retrieve(FI)

RetriveResult

releaseSMS(cause)

SMS MO Submit Denial- CAP3


getSDPID(msisdn)


IP Traffic

SS7 Messaging

SMS-MO Denial

(G)MSC/VLR/SGSN



SCP

IDP-GPRS(DP=12, ServiceKey,ChargingID,MSISDN,LocInfo,gGSNAddr,..)

Retrieve(FI)

RetriveResult

ACH_GPRS(Duration)

ACR_GPRS(Dur)

RRBE(GPRSDisconnect,PDPid)CUE()

GPRS - PDP context Establishment Acknowledgement (NORMAL CALL)

UpdateGPRSLoc

InsertSubsData(GPRSSubscriptionData,GPRS-CSI)

request

confirm

Retrieve(II)

RetriveResult

ACH_GPRS(Duration)

ACR_GPRS(Dur)

Retrieve(FinI)

RetriveResult

ERB_GPRS(Disconnect)

ReleaseGPRS()

getSDPID(msisdn)


IP Traffic

SS7 Messaging





GPRS - PDP context Acknowledgem

(G)MSC/VLR/SGSN



SCP


Retrieve(FI)

RetriveResultRRBE(PDP-ContextEstAck,PDPid)

CUE()

GPRS - PDP context Establishment (Also called as Early triggering)

UpdateGPRSLoc


request

confirm

ERB_GPRS(PDP-ContextEstAck)

ACH_GPRS(Duration)

ACR_GPRS(Dur)






Retrieve(II)

RetriveResult

ACH_GPRS(Duration)

ACR_GPRS(Dur)

Retrieve(FinI)

RetriveResult


ReleaseGPRS()

getSDPID(msisdn)


IP Traffic

SS7 Messaging

GPRS - PDP Context Est

(G)MSC/VLR/SGSN



SCP


Retrieve(FI)

RetriveResult

CancelGPRS(PDPid)

GPRS - PDP context Establishment Acknowledgement (TOLL FREE)

UpdateGPRSLoc


request

confirm

getSDPID(msisdn)


IP Traffic

SS7 Messaging

TollFree GPRS

(G)MSC/VLR/SGSN



SCP


Retrieve(FI)

RetriveResult

GPRS - PDP context Establishment Acknowledgement (Not Allowed GPRS)

UpdateGPRSLoc


request

confirm

ReleaseGPRS()

getSDPID(msisdn)


IP Traffic

SS7 Messaging

Not Allowed GPRS

(G)MSC/VLR/SGSN


SDP AF/USSD GWCCNSRP/IPGGSN HLR

SCP


Retrieve(FI)

RetriveResultACH_GPRS(Duration)


GPRS - New SGSN Connects after Old SGSN disconnects

UpdateGPRSLoc


request

confirm

ACR_GPRS(Dur)

Retrieve(FinI)

RetriveResult


ContinueGPRS()

getSDPID(msisdn)reponse(SDP_IPAddress)

IP Traffic

SS7 Messaging

(G)MSC/VLR/SGSN

gsmSSF/gprsSSF


UpdateGPRSLoc


Retrieve(FI)RetriveResult

ACH_GPRS(Duration)RRBE(GPRSDisconnect,PDPid)

CUE()ACR_GPRS(Dur) Retrieve(II)

RetriveResult

ERB_GPRS(Disconnect)Retrieve(FinI)

RetriveResult

ACH_GPRS(Duration)

Release_GPRS()

NEW OLD

ACR_GPRS(Dur)



Unstructured SS Notify AckUnstructured SS Notify Ack

Unstructured SS Notify Ack

New SGSN Connects after Old

(G)MSC/VLR/SGSN


SDP AF/USSD GWCCNSRP/IPGGSN HLR

SCP


Retrieve(FI)

RetriveResultACH_GPRS(Duration)


GPRS - New SGSN Connects before Old SGSN disconnects



Unstructured SS Notify AckUnstructured SS Notify Ack

Unstructured SS Notify Ack

UpdateGPRSLoc


request

confirm

ACR_GPRS(Dur)

Retrieve(FinI)

RetriveResult


ContinueGPRS()

getSDPID(msisdn)reponse(SDP_IPAddress)

IP Traffic

SS7 Messaging

(G)MSC/VLR/SGSN

gsmSSF/gprsSSF


UpdateGPRSLoc


Retrieve(FI)RetriveResult

ACH_GPRS(Duration)RRBE(GPRSDisconnect,PDPid)

CUE()ACR_GPRS(Dur)

Retrieve(II)

RetriveResult

ERB_GPRS(Disconnect)Retrieve(FinI)

RetriveResult

ACH_GPRS(Duration)

Release_GPRS()

NEW OLD

ResetTimer_GPRS()

ACR_GPRS(Dur)

New SGSN Connects before Old

(G)MSC/VLR/SGSN gsmSCF MAP GW

SDP AF/USSD GWCCNSRP/IPGGSNMS HLR

SCP

Process Unstructured SS ACK

USSD Based Balance Query

USSD Request

Process Unstructured SS Req



Bal Query

Response



USSD Response

Single Request / Transaction (Balance Query)

Note : If multiple Transactions are used then Max.time between USSD_Request and USSD_Response shouldnot exceed 10 min at the MS

IP Traffic

USSD Balance Query/Recharge

Documents

Camel_Cap2 Cap3 Call Flows