SIST EN 302 092-1 V1.2.2:2005

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 specification

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

General Information

• Status: Published
• Publication Date: 31-Dec-2004
• ICS: 33.040.35 - Telephone networks
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jan-2005
• Due Date: 01-Jan-2005
• Completion Date: 01-Jan-2005
• Ref Project: ETSI EN 302 092-1 V1.2.2 (1999-11) - 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 specification

Standards Content (Sample)

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
STANDARD



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.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/[e-mail]ETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]Ideliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.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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