Call Flow for Various PPS Call Scenario

PPS MOC CALL

IDP IDP has A-Party,B-Party,A-Location,SVKey

RRB RRB Release Causes after Call release viz busy,no answer etc

CIQ CIQ requests the Call Data Viz Attempt, Elapsed, connected time of a particular call.

AC AC provides SSP the allowed Duration the Call should be supervised by the SSP after which the response should be sent back to

HPLMN- SSP

SEP

Connect

Provides the info to SSP to which Destination the connection needs to be established

PPS MOC CALL

HPLMN- SSP

SEP

CIR Response to CIQ which has the data for call viz attempt, Elapsed and connected time

ERB Response to RRB which has the data for type of call release

ACR Report from SSP for the AC which has the Time used for the call. In case the call is still active then one more AC is requested.

Release

Informs SSP to release all the info for this call.

PPS MTC CALL

SRi-Req

MSISDN , Supress CSI = NO

SRi-Res

SvKey, GSMSCF Address,O-CSI,T-CSI

GMSC/SSP

HLR

PPS MTC CALL

IDP IDP has A-Party,B-Party,A-Location,SVKey,B-Party VLR ID

RRB RRB Release Causes after Call release

CIQ CIQ requests the Call Data Viz Attempt, Elapsed, connected time of a particular call.

AC AC provides SSP the allowed Duration the Call should be supervised by the SSP after which the response should be sent back to

HPLMN- SSP

SEP

CONNECT

Provides the info to SSP to which Destination the connection needs to be established

PPS MTC CALL

SRi-Req

MSISDN , Supress CSI = Yes

MSRN-Res

Provides MSRN

GMSC/SSP

HLR

MSRN-Req

Request to provide MSRN

HLR MSC

PPS MTC CALL

SRi-Res

Has Routing Address and further call is connected

GMSC/SSP

HLR

PPS MTC CALL

ACR Report from SSP for the AC which has the Time used for the call. In case the call is still active then one more AC is requested.

CIR Response to CIQ which has the data for call viz attempt, Elapsed and connected time

ERB Response to RRB which has the data for type of call release

HPLMN- SSP

SEP

Release

Informs SSP to release all the info for this call.

PPS ROAMING MOC CALL

IDP IDP has A-Party,B-Party,A-Location,SVKey

RRB RRB Release Causes after Call release

CIQ CIQ requests the Call Data Viz Attempt, Elapsed, connected time of a particular call.

AC AC provides SSP the allowed Duration the Call should be supervised by the SSP after which the response should be sent back to

VPLMN- SSP

SEP

Connect

Provides the info to SSP to which Destination the connection needs to be established

PPS ROAMING MOC CALL

ACR Report from SSP for the AC which has the Time used for the call. In case the call is still active the none more AC is requested.

CIR Response to CIQ which has the data for call viz attempt, Elapsed and connected time

ERB Response to RRB which has the data for type of call release

VPLMN- SSP

SEP

Release

Informs SSP to release all the info for this call.

PPS ROAMING MTC CALL

SRi-Req

MSISDN , Supress CSI = NO

SRi-Res

SvKey, GSMSCF Address,O-CSI,T-CSI

GMSC/SSP

HLR

PPS ROAMING MTC CALL

IDP IDP has A-Party,B-Party,A-Location,SVKey,B-Party VLR ID

RRB RRB Release Causes after Call release

CIQ CIQ requests the Call Data Viz Attempt, Elapsed, connected time of a particular call.

AC AC provides SSP the allowed Duration the Call should be supervised by the SSP after which the response should be sent back to

HPLMN- SSP

SEP

Connect

Provides the info to SSP to which Destination the connection needs to be established

PPS ROAMING MTC CALL

SRi-Req

MSISDN , Supress CSI = Yes

MSRN-Res

Provides MSRN

GMSC/SSP

HLR

MSRN-Req

Request to provide MSRN

HLR VMSC

PPS ROAMING MTC CALL

SRi-Res

Has Routing Address and further call is connected

GMSC/SSP

HLR

PPS ROAMING MTC CALL

ACR Report from SSP for the AC which has the Time used for the call. In case the call is still active thenone more AC is requested.

CIR Response to CIQ which has the data for call viz attempt, Elapsed and connected time

ERB Response to RRB which has the data for type of call release

HPLMN- SSP

SEP

Release

Informs SSP to release all the info for this call.

PLAYING ANNOUNCEMENT HPLMN

IDP IDP has A-Party,B-Party,A-Location,SVKey,B-Party VLR ID

CTR Provides the IP address from where the Announcements are played

PA Provides the announcement Id which is to be played by the IP.

SRP Report from SSP after successful playing of Announcement

PAC Prompting an input from the End User.

HPLMN- SSP

SEP

PLAYING ANNOUNCEMENT HPLMN

PAC Collected info forwarded to SCP

Release

Final Release no CIQ required

HPLMN- SSP

SEP

PLAYING ANNOUNCEMENT VPLMN

VPLMN- SSP

SEP

IDP IDP has A-Party,B-Party,A-Location,SVKey,B-Party VLR ID

ETC Has the Assist IP Address as the Called party address which is used in establishing a ISUP connection from VPLMN SSP to the HPLMN Assist IP

VPLMN- SSP

ASSIST IP

IAM IAM has A-Party,B-Party, where B-party is the Assist IP address

ACM Notify that the received address is complete and at this time the Circuit for speech is seized.

PLAYING ANNOUNCEMENT IN VPLMN

ASSIST IP SEP

ARI Consists of the Correlation Id of the call

CTR Has the IP Address from where the announcement needs to be played

PA Has the IP Address from where the announcement needs to be played

SRP Report from SSP after successful playing of Announcement

PAC Prompting an input from the End User.

PLAYING ANNOUNCEMENT IN VPLMN

PAC Collected info forwarded to SCP

ASSIST IPSEP

Release

Final Release no CIQ required

RLC Release ISUP connection

VPLMN SSP

ASSIST IP

ASSIST IPSEP

CALL FORWARDING UNCONDITIONAL

SRi-Req

MSISDN , Supress CSI = NO

SRi-Res

SvKey, GSMSCF Address,O-CSI,T-CSI

GMSC/SSP

HLR

CALL FORWARDING UNCONDITIONAL

IDP

RRB RRB Release Causes after Call release

CIQ CIQ requests the Call Data Viz Attempt, Elapsed, connected time of a particular call.

AC AC provides SSP the allowed Duration the Call should be supervised by the SSP after which the response should be sent back to

HPLMN- SSP

SEPIDP has A-Party,C-Party,A-Location,SVKey,Original B-Party and CF indicator

Connect

Provides the info to SSP to which Destination the connection needs to be established

CALL FORWARDING UNCONDITIONAL

ACR Report from SSP for the AC which has the Time used for the call. In case the call is still active thenone more AC is requested.

HPLMN- SSP

SEP

CIR Response to CIQ which has the data for call viz attempt, Elapsed and connected time

ERB Response to RRB which has the data for type of call release

Release

Informs SSP to release all the info for this call.

CALL FORWARDING CONDITIONAL

SRi-Req

MSISDN , Supress CSI = NO

SRi-Res

SvKey, GSMSCF Address,O-CSI,T-CSI

GMSC/SSP

HLR

CALL FORWARDING CONDITIONAL

IDP1 IDP has A-Party,B-Party,A-Location,SVKey,B-Party VLR ID

RRB1

RRB Release Causes after Call release

CIQ1 CIQ requests the Call Data Viz Attempt, Elapsed, connected time of a particular call.

AC 1 AC provides SSP the allowed Duration the Call should be supervised by the SSP after which the response should be sent back to

HPLMN- SSP

SEP

Connect 1

Provides the info to SSP to which Destination the connection needs to be established

CALL FORWARDING CONDITIONAL

SRi-Req

MSISDN , Supress CSI = Yes

MSRN-Res

Provides MSRN

HPLMN SSP

HLR

MSRN-Req

Request to provide MSRN

HLR VMSC

CALL FORWARDING CONDITIONAL

SRi-Res

Has Routing Address and further call is connected

HPLMN SSP

HLR

CALL FORWARDING CONDITIONAL

IDP 2

RRB2

RRB Release Causes after Call release

CIQ2 CIQ requests the Call Data Viz Attempt, Elapsed, connected time of a particular call.

HPLMN- SSP

SEPIDP has A-Party,C-Party,A-Location,SVKey,Original B-Party and CF indicator

AC 2 AC provides SSP the allowed Duration the Call should be supervised by the SSP after which the response should be sent back to

Connect 2

Provides the info to SSP to which Destination the connection needs to be established

CALL FORWARDING CONDITIONAL

ACR 2

Report from SSP for the AC which has the Time used for the call.

HPLMN- SSP

SEP

CIR2 Response to CIQ which has the data for call viz attempt, Elapsed and connected time

ERB2

Response to RRB which has the data for type of call release

Release2

Informs SSP to release all the info for this call.

CALL FORWARDING CONDITIONAL

ACR1

Report from SSP for the AC which has the Time used for the call.

HPLMN- SSP

SEP

CIR 1

Response to CIQ which has the data for call viz attempt, Elapsed and connected time

ERB 1

Response to RRB which has the data for type of call release viz busy, no answer etc

Release1

Informs SSP to release all the info for this call.