ITU H.450.9:2000
ITU H.450.9:2000 Call Completion Supplementary Services For H.323 Describes the procedures and the signalling protocol for the Call Completion supplementary services in ITU-T H.323.
Table of Contents
1Scope2References
3TermsandDefinitions
4AbbreviationsandAcronyms
5SS-CCBSservicedescription
5.1Normalprocedures
5.1.1Activation/deactivation/registration/interrogation
5.1.2Invocationandoperation
5.1.3Cancellation
5.2Exceptionalprocedures
5.2.1Invocationandoperation
5.2.2Cancellation
5.3Interactionswithothersupplementaryservices
5.3.1CompletionofCallsonNoReply(SS-CCNR)
5.3.2CallTransfer(SS-CT)
5.3.3CallForwardingUnconditional(SS-CFU)
5.3.4CallForwardingBusy(SS-CFB)
5.3.5CallForwardingonNoReply(SS-CFNR)
5.3.6CallHold
5.3.7CallPark/CallPickup
5.3.8CallWaiting
5.3.9MessageWaitingindication
5.3.10NamePresentation
5.3.11CallLinkage
6SS-CCNRservicedescription
6.1Normalprocedures
6.1.1Activation/deactivation/registration/interrogation
6.1.2Invocationandoperation
6.1.3Cancellation
6.2Exceptionalprocedures
6.2.1Invocationandoperation
6.2.2Cancellation
6.3Interactionswithothersupplementaryservices
6.3.1CompletionofCallstoBusySubscribers(SS-CCBS)
6.3.2CallTransfer(SS-CT)
6.3.3CallForwardingUnconditional(SS-CFU)
6.3.4CallForwardingBusy(SS-CFB)
6.3.5CallForwardingonNoReply(SS-CFNR)
6.3.6CallHold
6.3.7CallPark/CallPickup
6.3.8CallWaiting
6.3.9MessageWaitingIndication
6.3.10NamePresentation
6.3.11CallLinkage
7Messagesandinformationelements
8Procedures
8.1ActionsatUserA'sendpoint
8.1.1Normalprocedures
8.1.2Exceptionalprocedures
8.2ActionsatUserB'sendpoint
8.2.1Normalprocedures
8.2.2Exceptionalprocedures
9Interworkingandinteractions
9.1InterworkingwithSCN
9.1.1NofunctionalcallcompletionentityexistsinSCN
9.1.2FunctionalcallcompletionentityexistsinSCN
9.2ProtocolinteractionbetweenSS-CCBSandother
supplementaryservices
9.2.1CallTransfer(ITU-TH.450.2)
9.2.2CallDiversion(ITU-TH.450.3)
9.2.3CallHold(ITU-TH.450.4)
9.2.4CallParkandCallPickup(ITU-TH.450.5)
9.2.5CallWaiting(ITU-TH.450.6)
9.2.6MessageWaiting(ITU-TH.450.7)
9.2.7NamePresentation(ITU-TH.450.8)
9.2.8CallLinkage(ITU-TH.323,1998)
9.3ProtocolinteractionbetweenSS-CCNRandother
supplementaryservices
9.3.1CallTransfer(ITU-TH.450.2)
9.3.2CallDiversion(ITU-TH.450.3)
9.3.3CallHold(ITU-TH.450.4)
9.3.4CallParkandCallPickup(ITU-TH.450.5)
9.3.5CallWaiting(ITU-TH.450.6)
9.3.6MessageWaiting(ITU-TH.450.7)
9.3.7NamePresentation(ITU-TH.450.8)
9.3.8CallLinkage(ITU-TH.323,1998)
10Gatekeeperactions
10.1GatekeeperpassesonSS-CCoperationstotheendpoint
10.2Gatekeeper/proxyactsonbehalfofanendpoint
10.2.1Gatekeeper/proxyactsonbehalfofendpointB
10.2.2Gatekeeper/proxyactsonbehalfofendpointA
11Dynamicdescription
11.1Operationalmodelandsignalflows
11.1.1SuccessfulCCBS
11.1.2SuccessfulCCNR
11.1.3UserAbusy
11.1.4UserBbusyagain
11.2CommunicationbetweenanendpointA(EASE)Signalling
entityanditsSignallingentityuser(informative)
11.2.1Tableofprimitives
11.2.2Primitivedefinition
11.2.3Parameterdefinition
11.2.4CallStates
11.3CommunicationbetweenanendpointB(EBSE)signalling
entityanditssignallingentityuser(informative)
11.3.1Tableofprimitives
11.3.2Primitivedefinition
11.3.3Parameterdefinition
11.3.4CallStates
11.4Timers
11.4.1TimersatUserA'sendpoint
11.4.2TimersatUserB'sendpoint
12OperationsinsupportofCallCompletionsupplementaryservice
13SpecificationandDescriptionLanguage(SDL)diagramsfor
SS-CCBS
13.1BehaviourofUserA'sendpoint
13.2BehaviourofUserB'sendpoint