Specification of procedures, operations, messages, call parameters, ca ll states and timers for establishing, maintaining and releasing a cal l in the context of separation of call control and bearer control at i nterface at SB, coincident SB and TB or QB.  This WPS is an update of an earlier WPS drafted in March 1996, work is carried out in cooperation with ECMA TC 32 TG 15

Širokopasovno digitalno omrežje z integriranimi storitvami (B-ISDN) in širokopasovno zasebno omrežje z integriranimi storitvami (B-PISN) – Digitalna naročniška signalizacija št. 2 (DSS2), širokopasovna signalizacija med centralami (B-QSIG) in signalizacija št. 7 (SS7) – Krmiljenje klica v okolju ločenega krmiljenja klica in nosilca – 1. del: Specifikacija protokola

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Published
Publication Date
31-Dec-2004
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Jan-2005
Due Date
01-Jan-2005
Completion Date
01-Jan-2005

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Broadband Integrated Services Digital Network (B-ISDN) and Broadband Private Integrated Services Network (B-PISN); Digital Subscriber Signalling System No. two (DSS2), Broadband Inter-Exchange Signalling (B-QSIG), and Signalling System No. 7 (SS7); Call control in a separated call and bearer control environment; Part 1: Protocol specification33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)33.040.35Telefonska omrežjaTelephone networksICS:Ta slovenski standard je istoveten z:EN 302 092-1 Version 1.2.2SIST EN 302 092-1 V1.2.2:2005en01-januar-2005SIST EN 302 092-1 V1.2.2:2005SLOVENSKI

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SIST EN 302 092-1 V1.2.2:2005

ETSIEN302092-1V1.2.2(1999-11)EuropeanStandard(Telecommunicationsseries)BroadbandIntegratedServicesDigitalNetwork(B-ISDN)andBroadbandPrivateIntegratedServicesNetwork(B-PISN);DigitalSubscriberSignallingSystemNo.two(DSS2),BroadbandInter-ExchangeSignalling(B-QSIG),andSignallingSystemNo.7(SS7);Callcontrolinaseparatedcallandbearercontrolenvironment;Part1:ProtocolspecificationSIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)2ReferenceDEN/SPS-05132-1(jdc90ipc.PDF)KeywordsB-ISDN,DSS2,B-QSIG,SS7,ISDN,broadband,QSIG,ISUP,B-ISUP,bearer,protocolETSIPostaladdressF-06921SophiaAntipolisCedex-FRANCEOfficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88Internetsecretariat@etsi.frIndividualcopiesofthisETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frImportantnoticeThisETSIdeliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshouldbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute1999.Allrightsreserved.SIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)3ContentsIntellectualPropertyRights................................................................................................................................6Foreword.............................................................................................................................................................61Scope........................................................................................................................................................72References................................................................................................................................................73Definitions................................................................................................................................................84Abbreviations...........................................................................................................................................95Basicmodel..............................................................................................................................................95.1SeparationofCallControl(CC)andBearercontrol(BC).................................................................................95.2Point-to-pointandmulti-partyCC......................................................................................................................95.3CCarchitecture.................................................................................................................................................105.4RelationshiptoBCarchitecture........................................................................................................................105.5Screeningfunction............................................................................................................................................116Operationalrequirements.......................................................................................................................126.1Provisionandwithdrawal.................................................................................................................................126.2Transportmechanism.......................................................................................................................................127Primitivedefinitionsandstatedefinitions.............................................................................................137.1Serviceprimitives.............................................................................................................................................137.1.1Serviceprimitivearchitecture.....................................................................................................................137.1.2ESTABLISH-CALL...................................................................................................................................137.1.3COMPLETE-CALL....................................................................................................................................147.1.4STATUS-CALL..........................................................................................................................................147.1.5RELEASE-CALL.......................................................................................................................................157.1.6PROCEED-CALL.......................................................................................................................................157.1.7ERROR.......................................................................................................................................................157.2Parameters........................................................................................................................................................167.2.1CallsegmentID..........................................................................................................................................167.2.2Calldescription...........................................................................................................................................167.2.3Callchangedparameter...............................................................................................................................167.2.4Awaitcompleteindicator............................................................................................................................167.2.5Bearerestablishmentaddress......................................................................................................................167.2.6Releasecause..............................................................................................................................................167.2.7Result..........................................................................................................................................................177.2.8Diagnostics.................................................................................................................................................177.3CCstates...........................................................................................................................................................177.3.1CallIdle......................................................................................................................................................177.3.2CallInitiated...............................................................................................................................................177.3.3OutgoingCallProceeding...........................................................................................................................177.3.4CallReady..................................................................................................................................................177.3.5CallPresent.................................................................................................................................................177.3.6IncomingCallProceeding...........................................................................................................................177.3.7AwaitCallCompletion...............................................................................................................................177.3.8CallActive..................................................................................................................................................177.3.9CallReleaseRequest...................................................................................................................................177.3.10CallReleaseIndication...............................................................................................................................188Codingrequirements..............................................................................................................................188.1AbstractdefinitionoftheCCoperations..........................................................................................................188.2DefinitionofCCObjectSuperClass................................................................................................................218.3DefinitionsofCCObjectClassesintheInformationModel............................................................................219Procedures..............................................................................................................................................239.1Callestablishmentrequest................................................................................................................................239.1.1PrecedingCCentity....................................................................................................................................23SIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)49.1.2SucceedingCCentity..................................................................................................................................249.2Callproceeding.................................................................................................................................................249.2.1PrecedingCCentity....................................................................................................................................249.2.2SucceedingCCentity..................................................................................................................................249.3Callaccepted....................................................................................................................................................249.3.1PrecedingCCentity....................................................................................................................................249.3.2SucceedingCCentity..................................................................................................................................259.4Completionofcallestablishment.....................................................................................................................259.4.1PrecedingCCentity....................................................................................................................................259.4.2SucceedingCCentity..................................................................................................................................259.5Callstatuschangereport...................................................................................................................................259.5.1General........................................................................................................................................................259.5.2InitiatingCCentity......................................................................................................................................269.5.3ReceivingCCentity....................................................................................................................................269.6Callestablishmentfailure.................................................................................................................................269.6.1PrecedingCCentity....................................................................................................................................269.6.2SucceedingCCentity..................................................................................................................................269.7Callclearing.....................................................................................................................................................279.7.1ProceduresattheCCentitythatinitiatescallclearing................................................................................279.7.2ProceduresattheCCentitythatrespondstoclearing.................................................................................289.7.3Callclearingcollision.................................................................................................................................289.8ExceptionalProcedures....................................................................................................................................289.8.1TimerExpiry...............................................................................................................................................289.8.1.1ProceduresattheprecedingCCentity..................................................................................................289.8.1.2ProceduresatthesucceedingCCentity................................................................................................289.8.1.3ProceduresattheCCentitythatinitiatescallclearing..........................................................................289.8.2ReceiptofAPDUswithunknownCallSegmentId....................................................................................289.8.3ReceiptofAPDUswithduplicatedCallSegmentId..................................................................................299.8.4ReceiptofAPDUsoutofsequence.............................................................................................................299.8.5ReceiptofRejectAPDUs...........................................................................................................................299.8.5.1ReceiptofarejectAPDUthatiscorrelatedtoacallEstablishinvoke...................................................299.8.5.2ReceiptofarejectAPDUthatiscorrelatedtoacallProceedinginvoke...............................................299.8.5.3ReceiptofarejectAPDUthatiscorrelatedtoacallCompleteinvoke..................................................299.8.5.4ReceiptofarejectAPDUthatiscorrelatedtoacallStatusinvoke.......................................................299.8.5.5ReceiptofarejectAPDUthatiscorrelatedtoacallReleaseinvoke.....................................................299.8.5.6ReceiptofarejectAPDUthatiscorrelatedtoacallEstablishreturnresult..........................................309.8.5.7ReceiptofarejectAPDUthatiscorrelatedtoacallEstablishreturnerror...........................................309.8.5.8ReceiptofarejectAPDUthatiscorrelatedtoacallReleasereturnresult............................................309.8.6HandlingofunrecognizedparameterswithinCC-Operations.....................................................................3010Parametervalues(Timers).....................................................................................................................3111Transportmechanism.............................................................................................................................3112SDLDiagrams........................................................................................................................................3112.1OutgoingCC-ASE............................................................................................................................................3412.2IncomingCC-ASE............................................................................................................................................40SIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)5AnnexA(normative):Bearerco-ordinationrequirementsforCCsignallingserviceusers........47A.1RequirementsataCCentitythatestablishesabearertowardsanadjacentCCentity..........................47A.2RequirementsataCCentitythatreceivesabearerestablishmentfromanadjacentCCentity............48A.3AdditionalrequirementsatatransitCC.................................................................................................49A.4Requirementoncallclearing.................................................................................................................49AnnexB(normative):CallDescriptionhandlingrequirementsforCCsignallingserviceusers................................................................................................................50B.1CalldescriptionhandlingataCCsignallingserviceuserwithinanoriginatingCCentity..................50B.2CalldescriptionhandlingataCCsignallingserviceuserwithinatransitCCentity............................50B.3CalldescriptionhandlingataCCsignallingserviceuserwithinaterminatingCCentity....................51B.4Calldescriptionerrors............................................................................................................................51B.5End-to-endrelevantobjecthandlingataCCsignallingserviceuserwithinatransitCCentity...........52B.6ChangestotheInformationModel.........................................................................................................52B.6.1DeletionofaServiceComponentObject.........................................................................................................52B.6.2AdditionofaServiceComponentObject.........................................................................................................52B.6.3ChangestotheattributesofthePartyObject....................................................................................................52B.6.4ChangestotheOpenCallattributeoftheCallObject......................................................................................53AnnexC(normative):Interworking..................................................................................................55C.1InterworkingwithnetworksnotsupportingseparationofCCandBC..................................................55C.1.1Outgoingcallestablishment..............................................................................................................................55C.1.2Incomingbearerestablishment.........................................................................................................................55C.1.3Additionofbearerstoanexistingcall..............................................................................................................55C.2Interworkingwithsimultaneouscallandbearerestablishment.............................................................55C.2.1Outgoingcallestablishment..............................................................................................................................55C.2.2Incomingcallandbearerestablishment............................................................................................................56C.2.3Additionofbearerstoanexistingcall..............................................................................................................56AnnexD(normative):Transportmechanisms..................................................................................57D.1Connectionoriented-Bearerindependent.............................................................................................57D.2Connectionless-Bearerindependent.....................................................................................................57AnnexE(informative):Informationflowdiagrams...........................................................................58E.1CallEstablishmentusingatwomessagesequence................................................................................58E.2CallEstablishmentusingathreemessagesequence..............................................................................59E.3CallRelease............................................................................................................................................60AnnexF(informative):Void.................................................................................................................61AnnexG(informative):Objectidentifiersdefinedinthepresentdocument...................................62Bibliography.....................................................................................................................................................63History..............................................................................................................................................................64SIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)6IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedinjointactivitybyETSITechnicalCommitteeSignallingProtocolsandSwitching(SPS)andECMATC32–TG15.Thepresentdocumentispart1ofamulti-partstandardcoveringtheDigitalSubscriberSignallingSystemNo.2(DSS2),BroadbandInter-ExchangeSignalling(B-QSIG),andSignallingSystemNo.7(SS7)protocolspecificationfortheBroadbandIntegratedServicesDigitalNetwork(B-ISDN)andBroadbandPrivateIntegratedServicesNetwork(B-PISN)CallControl,asdescribedbelow:Part1:"Protocolspecification";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specification";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecification".NationaltranspositiondatesDateofadoptionofthisEN:5November1999DateoflatestannouncementofthisEN(doa):29February2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31August2000DateofwithdrawalofanyconflictingNationalStandard(dow):31August2000SIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)71 ScopeThepresentdocumentspecifiesasignallingprotocolforthepurposeofcallcontrolattheQB,SB,TB,andco-incidentSB/TBreferencepointswithin,between,andattheaccesstoBroadbandPrivateIntegratedServicesNetworksandwithin,between,andattheaccesstoEuropeanBroadbandIntegratedServicesDigitalNetworks.Theprotocoloperatesbetweentwoadjacentcallcontrolentities.Theprotocolisapplicabletoaterminalornetworknodeinaseparatedcallandbearer(connection)controlenvironmentforthesupportofcallshavingnone,asinglebearerormultiplebearers.Theprotocolisapplicabletoatwo-partycall.Theprotocolalsoprovidesforwardcompatibilitytotheextentthatanimplementationcanalsooperatewithinamulti-partycallwithotherimplementationsthatuseadditionalcapabilities,providedtheimplementationisdeployedwhereitdoesnotneedtobeawareofmorethantwoparties.ThepresentdocumentisrelatedtootherStandardsinthisserieswhichwilldescribethearchitectureofaseparatedcallandbearercontrolenvironmentandscenariosinwhichsuchanarchitecturecanbeapplied.Theprotocolspecifiedinthepresentdocumentisindependentofthesupportingtransportservice.Theprotocolspecifiedinthepresentdocumentisindependentoftheprotocolusedforbearerestablishment.2 ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.•Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.•Foraspecificreference,subsequentrevisionsdonotapply.•Foranon-specificreference,thelatestversionapplies.•Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1] ITU-TRecommendationX.680:"Informationtechnology-AbstractSyntaxNotationOne(ASN.1):Specificationofbasicnotation".[2] ITU-TRecommendationX.681:"InformationTechnology-AbstractSyntaxNotationOne(ASN.1):Informationobjectspecification".[3] ITU-TRecommendationX.682:"Informationtechnology-AbstractSyntaxNotationOne(ASN.1):Constraintspecification".[4] ITU-TRecommendationX.683:"Informationtechnology-AbstractSyntaxNotationOne(ASN.1):ParameterizationofASN.1specifications".[5] ITU-TRecommendationX.690:"Informationtechnology-ASN.1encodingrules:SpecificationofBasicEncodingRules(BER),CanonicalEncodingRues(CER)andDistinguishedEncodingRules(DER)".[6] ITU-TRecommendationX.880:"Informationtechnology-Remoteoperations:concepts,modelandnotation".[7] ITU-TRecommendationZ.100:"CCITTspecificationanddescriptionlanguage(SDL)".[8] ETS300796-1:"BroadbandIntegratedServicesDigitalNetwork(B-ISDN);DigitalSubscriberSignallingSystemNo.two(DSS2)protocol;Genericfunctionalprotocol;Coreaspects;Part1:Protocolspecification[ITU-TRecommendationQ.2932.1(1996),modified]".[9] ECMA-254:"BroadbandPrivateIntegratedServicesNetwork(B-PISN)-Inter-ExchangeSignallingProtocol-GenericFunctionalProtocol(B-QSIG-GF)".SIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)8[10]EN300196-1:"IntegratedServicesDigitalNetwork(ISDN);Genericfunctionalprotocolforthesupportofsupplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part1:Protocolspecification".3DefinitionsForthepurposesofthepresentdocumentthefollowingdefinitionsapply:call:associationbetweentwoormoreusersusingatelecommunicationservicetocommunicatethroughoneormorenetworkscallsegment:partofacalllocatedbetweentwoadjacentcallcontrolentitiescallcontrol:functionalityandsignallinginandbetweennetworksandterminalstoeffectthecontrolofacall,excludingthecontrolofindividualbearerscallcontrolentity(CCentity):entitythatislocatedinaterminaloranetworkandthatparticipatesincallcontrolbearercontrol:functionalityandsignallinginandbetweennetworksandterminalstoeffectthecontrolofabearer,thatbearerbeingpartofacallbearercontrolentity(BCentity):entitythatislocatedinaterminaloranetworkandthatparticipatesinbearercontrolbearer:connectionforthetransportofuserplaneinformationbetweenusersinvolvedinacalladjacentcallcontrolentities(adjacentCCentities):withinthecontextofasinglecall,twoCCentitiesthatsignaldirectlytoeachotherwithnointerveningCCentityprecedingCCentity:CCentitythatinitiatescallestablishmentacrossagivencallsegmentsucceedingCCentity:CCentityattheoppositeendofacallsegmentfromtheprecedingCCentityoriginatingCCentity:CCentitythatinitiatescallestablishmentandislocatedinaterminalorequipmentthatfunctionslikeaterminal(e.g.aserverinthenetwork)terminatingCCentity:CCentitytowhichcallestablishmentisdirectedandthatislocatedinaterminalorequipmentthatfunctionslikeaterminaltransitCCentity:CCentitythroughwhichacallpasses,excludingtheoriginatingandterminatingCCentitycallcontrolsignallingserviceprovider:entitywhichprovidesthesignallingservicesofcallcontrolcallcontrolsignallingserviceuser:entitywithintheCCentitytowhichthesignallingservicesofcallcontrolareprovidedNOTE:ThecallcontrolsignallingserviceuserperformstheCallDescriptionhandling,providestheinteractionswithbearercontrol,andinanetworknode,co-ordinatestheincomingandoutgoingsideoftheCCentity(figure6).informationmodel:representationoftheserviceandabstractcommunicationsconfigurationusinganobjectorientedtechniqueparty:addressablesignallingendpointcallingparty:partywhichinitiatesthecallestablishmentcalledparty:anypartyinacallotherthanthecallingpartySIST EN 302 092-1 V1.2.2:2005

ETSIETSIEN302092-1V1.2.2(1999-11)94AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:APDUApplicationProtocolDataUnitASN.1AbstractSyntaxNotationOneB-PISNBroadbandPrivateIntegratedServicesNetworkBCBearerControlCCCallControlMMandatoryOOptional5Basicmodel5.1SeparationofCallControl(CC)andBearercontrol(BC)Theprotocolspecifiedinthepresentdocumentisapplicabletoanenvironmentinwhichthecontrolofacallisseparatefromthecontrolofthebearerorbearersthatexistwithinthecontextofthatcall.Inorderfortwouserstocommunicateusingatelecommunicationservice,anassociation,orcall,isestablishedbetweenthetwousers.Withinthecontextofthecall,oneormorebearerscanbeestablishedfortransportinguserplaneinformationbetweentheusers.However,bearersarenotnormallyestablisheduntilthecallhasbeenacceptedbythecalledterminal,andthereforeresourcesrequiredbybearersarenotoccupiedunnecessarilyifthecallcannotbeestablished,e.g.,ifthecalledterminalisunabletoacceptthecallbecauseresourcesarenotavailable.Duringthelife-timeofthecall,bearerscanbeaddedorcleareddownasrequired.Thecallisterminatedbyoneofthetwouserswhenthereisnofurtherneedforcommunication.Terminationofthecallimpliesthatallbearers(ifany)arecleareddown.Althoughforsometelecommunicationservicesasinglebearerissufficient,othertelecommunicationservicesbenefitfromtheuseofmultiplebearers,eachtailoredtosuitth

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