Table of Contents
1Scope
2References
3Definitions
4Abbreviations
5Basicmodel
5.1Separationofcallcontrolandbearercontrol
5.2Point-to-pointandmulti-partycallcontrol
5.3Callcontrolarchitecture
5.4Relationshiptobearercontrolarchitecture
5.5Screeningfunction
6Operationalrequirements
6.1Provisionandwithdrawal
6.2Transportmechanism
7Primitivedefinitionsandstatedefinitions
7.1Serviceprimitives
7.2Parameters
7.3Callcontrolstates
8Codingrequirements
8.1Abstractdefinitionofthecallcontroloperations
8.2DefinitionofCallControlObjectSuperClass
8.3DefinitionsofCallControlObjectClassesinthe
InformationModel
9Procedures
9.1Callestablishmentrequest
9.2CallProceeding
9.3Callaccepted
9.4Completionofcallestablishment
9.5Callstatuschangereport
9.6Callestablishmentfailure
9.7Callclearing
9.8Exceptionalprocedures
10Parametervalues(Timers)
11Transportmechanism
12SDLDiagrams
12.1OutgoingCC-ASE
12.2IncomingCC-ASE
AnnexA-BearercoordinationrequirementsforCCsignalling
serviceusers
A.1RequirementsataCCentitythatestablishesabearer
towardsanadjacentCCentity
A.2RequirementsataCCentitythatreceivesabearer
establishmentfromanadjacentCCentity
A.3AdditionalrequirementsatatransitCC
A.4Requirementoncallclearing
AnnexB-CalldescriptionhandlingrequirementsforCC
signallingserviceusers
B.1CalldescriptionhandlingataCCsignallingservice
userwithinanoriginatingCCentity
B.2CalldescriptionhandlingataCCsignallingservice
userwithinatransitCCentity
B.3CalldescriptionhandlingataCCsignallingservice
userwithinaterminatingCCentity
B.4Calldescriptionerrors
B.5End-to-endrelevantobjecthandlingataCCsignalling
serviceuserwithinatransitCCentity
B.6ChangestotheInformationModel
AnnexC-Interworking
C.1Interworkingwithnetworksnotsupportingseparation
ofCallControlandBearerControl
C.2Interworkingwithsimultaneouscallandbearer
establishment
AnnexD-Transportmechanisms
D.1Connectionoriented-Bearerindependent
D.2Connectionless-Bearerindependent
AppendixI-Informationflowdiagrams
I.1CallEstablishmentusingatwo-messagesequence
I.2CallEstablishmentusingathree-messagesequence
I.3CallRelease
AppendixII-ImportedASN.1definitions
AppendixIII-Objectidentifiersdefinedinthis
Recommendation Abstract
Specifies a signalling protocol for the purpose of call control at the Q[B], S[B], T[B], and co-incident S[B]/T[B] reference points within, between, and at the access to Broadband Private Integrated Services Networks and within, between, and at the access to Broadband Integrated Services Digital Networks. The protocol operates between two adjacent call control entities.
