ETSI ES 203 915-4-1 V1.2.1 (2007-01) Application .

ETSIES203915-4-1V1.2.1(2007-01)ETSIStandardOpenServiceAccess(OSA);ApplicationProgrammingInterface(API);Part4:CallControl;Sub-part1:CallControlCommonDefinitions(Parlay5)
ETSIETSIES203915-4-1V1.2.1(2007-01)2ReferenceRES/TISPAN-01029-04-01-OSAKeywordsAPI,IDL,OSA,UMLETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2007.©TheParlayGroup2007.Allrightsreserved.DECTTM,PLUGTESTSTMandUMTSTMareTradeMarksofETSIregisteredforthebenefitofitsMembers.TIPHONTMandtheTIPHONlogoareTradeMarkscurrentlybeingregisteredbyETSIforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.ETSIETSIES203915-4-1V1.2.1(2007-01)3ContentsIntellectualPropertyRights................................................................................................................................5Foreword.............................................................................................................................................................51Scope........................................................................................................................................................72References................................................................................................................................................73Definitionsandabbreviations...................................................................................................................73.1Definitions..........................................................................................................................................................73.2Abbreviations.....................................................................................................................................................74CallControlSCF......................................................................................................................................74.1CallModelDescription......................................................................................................................................84.2StructureofCallControlSCFDocumentation...................................................................................................84.3Generalrequirementsonsupportofmethods.....................................................................................................94.4ApplicationControlofaCallorSession............................................................................................................94.4.1Introduction...................................................................................................................................................94.4.2ConceptofMultiplePointsofControl..........................................................................................................94.4.2.1CascadedChainModel...........................................................................................................................94.4.3ServiceInteractions.....................................................................................................................................114.4.4Multipleservices-applicabilityofMPCforParlay/OSA..........................................................................115TheServiceInterfaceSpecifications......................................................................................................115.1InterfaceSpecificationFormat.........................................................................................................................115.1.1InterfaceClass............................................................................................................................................115.1.2Methoddescriptions....................................................................................................................................125.1.3Parameterdescriptions.........