Digital Enhanced Cordless Telecommunications (DECT); Integrated Services Digital Network (ISDN); ISDN Mobility protocol Interworking specification Profile (IMIP); Part 2: DECT/ISDN interworking for Global System for Mobile communications (GSM) support

This standard specifies a set of technical requiremens for Digital Enhanced Cordless Telecommunications (DECT) Fixed Parts (FP) supporting connection, via an ISDN interface, to a network supporting terminal mobility. Part 1 of this standard (DEN/DECT-030126) specifies the interworking procedures between the DECT air interface and the mobility management protocols defined for ISDN interface, to support CTM mobility. This Part 2 of this standard specifies the interworking procedures between the DECT air interface and the mobility management protocols defined for an enhanced ISDN interface, to support GSM mobility.

Digitalne izboljšane brezvrvične telekomunikacije (DECT) - Digitalno omrežje z integriranimi storitvami (ISDN) - Profil specifikacije medsebojnega delovanja za protokol mobilnosti ISDN (IMIP) - 2. del: Medsebojno delovanje DECT/ISDN za podporo globalnega sistema mobilnih komunikacij (GSM)

General Information

Status
Published
Publication Date
30-Jun-2000
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Jul-2000
Due Date
01-Jul-2000
Completion Date
01-Jul-2000

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital Enhanced Cordless Telecommunications (DECT); Integrated Services Digital Network (ISDN); ISDN Mobility protocol Interworking specification Profile (IMIP); Part 2: DECT/ISDN interworking for Global System for Mobile communications (GSM) support33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)33.070.30'(&7Digital Enhanced Cordless Telecommunications (DECT)ICS:Ta slovenski standard je istoveten z:EN 301 361-2 V1.1.13SIST EN 301 361-2:2000en01-PDM-20003SIST EN 301 361-2:2000SLOVENSKI

STANDARD
SIST EN 301 361-2:2000

ETSIEN301361-2V1.1.1(2000-02)EuropeanStandard(Telecommunicationsseries)DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);ISDNMobilityprotocolInterworkingspecificationProfile(IMIP);Part2:DECT/ISDNinterworkingforGlobalSystemforMobilecommunications(GSM)supportSIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)2ReferenceDEN/DECT-030066Keywordsaccess,CTM,DECT,GSM,ISDN,mobility,profile,radioETSIPostaladdressF-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,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)3ContentsIntellectualPropertyRights................................................................................................................................5Foreword............................................................................................................................................................5Introduction........................................................................................................................................................51Scope........................................................................................................................................................62References................................................................................................................................................63Definitions,symbolsandabbreviations...................................................................................................73.1Definitions..........................................................................................................................................................73.2Symbols..............................................................................................................................................................83.3Abbreviations.....................................................................................................................................................94Featuredefinitions....................................................................................................................................94.1Network(NWK)features...................................................................................................................................94.1.1Applicationfeatures....................................................................................................................................105Generalrequirements.............................................................................................................................105.1Architecture......................................................................................................................................................105.1.1Referenceconfiguration..............................................................................................................................105.1.2Interfaces....................................................................................................................................................105.2Protocolmodel.................................................................................................................................................105.3Identityusage...................................................................................................................................................115.3.1GSMidentity..............................................................................................................................................115.3.2GSMnumber..............................................................................................................................................115.3.3FPaddress...................................................................................................................................................116Interoperabilityrequirements.................................................................................................................126.1General.............................................................................................................................................................126.2NWKfeatures...................................................................................................................................................126.3Applicationfeatures..........................................................................................................................................126.4NWKfeaturetoproceduremapping................................................................................................................136.5Applicationfeaturetoproceduremapping.......................................................................................................147Proceduredescriptions...........................................................................................................................157.1Connectionestablishmentandrelease..............................................................................................................157.1.1NCICsconnectioncontrol...........................................................................................................................157.1.2Connectionestablishmentco-ordination.....................................................................................................157.1.2.1PTinitiatedmobilitymanagementtransaction......................................................................................157.1.2.2Networkinitiatedmobilitymanagementtransaction.............................................................................167.1.3Connectionorienteddatatransferco-ordination.........................................................................................177.1.4Connectionreleaseco-ordination................................................................................................................187.2GenericMobilitymanagement,interworkingprocedures.................................................................................197.2.1Genericinterworkingprocedures,networkinitiatedtransaction,explicitacknowledgement.....................197.2.1.1FPacceptsmobilitymanagementrequest..............................................................................................197.2.1.2FPreceivesresponsefromPP...............................................................................................................197.2.1.3FPrejectsmobilitymanagementrequest...............................................................................................197.2.2Genericinterworkingprocedures,networkinitiatedtransaction,noexplicitacknowledgement................207.2.2.1FPacceptsmobilitymanagementrequest..............................................................................................207.2.2.2FPrejectsmobilitymanagementrequest...............................................................................................207.2.3Genericinterworkingprocedures,PPinitiatedtransaction,explicitacknowledgement..............................217.2.3.1FPacceptsmobilitymanagementrequest..............................................................................................217.2.3.2FPreceivesresponsefromnetwork.......................................................................................................217.2.3.3FPrejectsmobilitymanagementrequest...............................................................................................217.2.4Genericinterworkingprocedures,PPinitiatedtransactionwithnoexplicitacknowledgement..................227.2.4.1FPacceptsmobilitymanagementrequest..............................................................................................227.2.4.2FPrejectsmobilitymanagementrequest...............................................................................................227.2.5IdentificationofPP.....................................................................................................................................23SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)47.2.6AuthenticationofPP...................................................................................................................................247.2.7Locationregistration...................................................................................................................................257.2.7.1FTinitiatestemporaryidentityassignment...........................................................................................257.2.7.2FPreceivestemporaryrejectfromnetwork...........................................................................................267.2.8Networkinitiatedciphering........................................................................................................................267.2.9TemporaryIdentityAssignment..................................................................................................................277.2.10LinkedTemporaryIdentityAssignment.....................................................................................................277.2.11Detach.........................................................................................................................................................287.3Callcontrolprocedures....................................................................................................................................287.3.1General........................................................................................................................................................287.3.2Outgoingcall..............................................................................................................................................287.3.3Incomingcall..............................................................................................................................................327.3.4Callprogressinformationtransfer..............................................................................................................357.3.5Callrelease.................................................................................................................................................367.3.5.1Networkinitiatedrelease.......................................................................................................................367.3.5.2PTinitiatedrelease................................................................................................................................377.3.5.3Otherreleasecases................................................................................................................................377.3.6Keypadinformationtransfer.......................................................................................................................387.4Otherinterworkingprocedures.........................................................................................................................387.4.1Interactionin-betweenMMtransactions.....................................................................................................387.4.2InteractionsbetweenMM-andCC-transactions........................................................................................397.4.3Otherinteractionsbetweenlocalandinterworkedprocedures....................................................................397.4.4Errorhandling.............................................................................................................................................398Messagemappings.................................................................................................................................398.1General.............................................................................................................................................................398.2Mobilitymanagementmessage/componentmapping.......................................................................................408.2.1General........................................................................................................................................................408.2.1aMMcomponenttoDECTmessage.............................................................................................................408.2.2DECTmessagetoMMcomponent.............................................................................................................408.3Callcontrolmessagemapping..........................................................................................................................418.3.1General........................................................................................................................................................418.3.1aDSS1messagetoDECTmessage...............................................................................................................418.3.2DECTmessagetoDSS1message...............................................................................................................418.4Informationelement/parametermapping..........................................................................................................428.4.1General........................................................................................................................................................428.4.1aGSMinformationelement/parametertoDECTinformationelement.........................................................428.4.1.1General/transparentmapping................................................................................................................428.4.1.2<_componentType>+<_operation>-<>...................................................................438.4.1.3<_gSMIdentityType>-<>............................................................................................438.4.1.4<_invokeIdentifier>-<>................................................................................438.4.2DECTinformationelementtoGSMinformationelement/parameter.........................................................448.4.2.1General/transparentmapping................................................................................................................448.4.2.2Fixedidentity+locationarea-_gSMLocationAreaIdentity.................................................................448.4.2.3Messagetype-_componentType+_operation......................................................................................458.4.2.4Transactionidentifier-_invokeIdentifier..............................................................................................45Bibliography.....................................................................................................................................................46History..............................................................................................................................................................47SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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)hasbeenproducedbyETSIProjectDigitalEnhancedCordlessTelecommunications(DECT).Thepresentdocumentispart2ofamulti-partstandardcoveringtheISDNMobilityprotocolInterworkingspecificationProfile(IMIP),asidentifiedbelow:Part1:"DECT/ISDNinterworkingforCordlessTerminalMobility(CTM)support";Part2:"DECT/ISDNinterworkingforGlobalSystemforMobilecommunications(GSM)support".NationaltranspositiondatesDateofadoptionofthisEN:7January2000DateoflatestannouncementofthisEN(doa):30April2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31October2000DateofwithdrawalofanyconflictingNationalStandard(dow):31October2000IntroductionThepresentdocumentdefinesaprofileforinterworkingbetweenaDECTsystemandanIntegratedServicesDigitalNetwork(ISDN)usingtheenhancedDigitalSubscriberSignallingNo.1(DSS1)protocoldefinedinEN301144-1[13].ThisISDNprotocolenablescordlessterminalstohaveaccesstoanISDNinfrastructure.PartonedefinestheDECT/DSS1+interworkingfortheCTMsupport.ParttwoconsiderstheDECT/DSS1+interworkingfortheGSMsupport.ThepresentdocumentspecifieshowDSS1+proceduresandinformationaremappedovertheDECTairinterface,andhowtheyareprovidedandusedbytheDECTFixedPart.SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)61ScopeThepresentdocumentspecifiesasetoftechnicalrequirementsforDigitalEnhancedCordlessTelecommunications(DECT)FixedParts(FP)supportingconnection,viaanISDNinterface,toanetworksupportingterminalmobility.ThepresentdocumentcoverstherequirementsnecessaryforthesupportofCordlessTerminalMobility(CTM)(Part1)andforthesupportoftheDECTaccesstoGSMviaISDNinterfaces(Part2).ThepresentdocumentspecifiestheinterworkingproceduresbetweentheDigitalEnhancedCordlessTelecommunications(DECT)airinterfaceandthemobilitymanagementprotocolsdefinedforIntegratedServicesDigitalNetwork(ISDN)interfaces.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.•Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.•Foraspecificreference,subsequentrevisionsdonotapply.•Foranon-specificreference,thelatestversionapplies.•Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETS300011:"IntegratedServicesDigitalNetwork(ISDN);Primaryrateuser-networkinterface;Layer1specificationandtestprinciples".[2]ETS300012:"IntegratedServicesDigitalNetwork(ISDN);Basicuser-networkinterface;Layer1specificationandtestprinciples".[3]EN300175-2:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part2:PhysicalLayer(PHL)".[4]EN300175-3:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part3:MediumAccessControl(MAC)layer".[5]EN300175-4:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part4:DataLinkControl(DLC)layer".[6]EN300175-5:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part5:Network(NWK)layer".[7]ETS300402:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Datalinklayer".[8]EN300403-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Signallingnetworklayerforcircuit-modebasiccallcontrol;Part1:Protocolspecification[ITU-TRecommendationQ.931(1993),modified]".[9]ETS300434-2:"DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);DECT/ISDNinterworkingforendsystemconfiguration;Part2:Accessprofile".[10]EN300444:"DigitalEnhancedCordlessTelecommunications(DECT);GenericAccessProfile(GAP)".SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)7[11]ETS300788:"DigitalEnhancedCordlessTelecommunications(DECT);GlobalSystemforMobilecommunications(GSM);IntegratedServicesDigitalNetwork(ISDN);DECTaccesstoGSMviaISDN;Functionalcapabilitiesandinformationflows".[12]EN301061-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Genericfunctionalprotocolforthesupportofsupplementaryservicesatthe"b"serviceentrypointforVirtualPrivateNetwork(VPN)applications;Part1:Protocolspecification".[13]EN301144-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)andSignallingSystemNo.7(SS7);Signallingapplicationforthemobilitymanagementserviceonthealphainterface;Part1:Protocolspecification".[14]CCITTRecommendationI.411(1988):"ISDNuser-networkinterfaces-Referenceconfigurations".[15]CCITTRecommendationX.219(1988):"Remoteoperations:Model,notationandservicedefinition".[16]ISO/IEC9646-7(1995):"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part7:ImplementationConformanceStatements".[17]EN301361-1:"DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);ISDNMobilityprotocolInterworkingspecificationProfile(IMIP);Part1:DECT/ISDNinterworkingforCordlessTerminalMobility(CTM)support".[18]ETS300434-1:"DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);DECT/ISDNinterworkingforendsystemconfiguration;Part1:Interworkingspecification".3Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsgiveninGAP[10]andthefollowingapply:DECTaccessnetwork:physicalentitythatcontainsalloftheelementsofaDECTFixedPart(FP)andthatisattachedtoaGSMMSCNOTE1:ADECTaccessnetworkprovidesatransparentaccesstotheservicesoftheGSMPLMN.Thisdoeshowevernotexcludethatitmayinadditionprovideservicesandswitchingcapabilitiestoitsownusers.DECTFixedPart(FP):physicalgroupingthatcontainsalloftheelementsintheDECTnetworkbetweenthelocalnetworkandtheDECTairinterfaceNOTE2:ADECTFPcontainsthelogicalelementsofatleastonefixedradiotermination,plusadditionalimplementationspecificelements.DECTlocationarea:domaininwhichaDECTPPmayreceiveand/ormakecallsasaresultofasinglelocationregistrationintheDECTaccessnetworkGSMlocationarea:domaininwhichaDECTPPmayreceiveand/ormakecallsasaresultofasinglelocationupdatingintheGSMnetworkNOTE3:AGSMlocationareamaycovermorethanoneDECTlocationarea.GSMserviceprovider:administrationwhichoffersglobalmobiletelecommunicationservicestoitssubscribersGSMservices:serviceswhichareofferedtothesubscriber/userbyaGSMServiceProviderandwhicharedefinedbytheappropriateGSMspecificationsSIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)8locationregistration:processwherebythepositionofaPPisdeterminedtothelevelofonelocationarea,andthispositionisupdatedinthenetworklocationupdating:processwherebythepositionofaPPisdeterminedtothelevelofonelocationarea,andthispositionisupdatedinthenetworkNOTE4:DECTandGSMrespectivelyusethetermslocationregistrationandlocationupdatingforactuallysimilarprocesses.MSCarea:MSCareaisthepartofthenetworkcoveredbyanMSC.AnMSCareamayconsistofoneorseveralGSMlocationareas.AnMSCareamayalsoconsistofoneorseveralBaseStationController(BSC)areasand/oroneorseveralDECTlocationareasnetwork:totalityofGSMandDECTaccessnetworkelementsthroughwhichtheGSMserviceproviderprovidesitsservicestotheserveduserPublicLandMobileNetwork(PLMN):PLMNisestablishedandoperatedbyanadministrationorforthespecificpurposeofprovidinglandmobiletelecommunicationservicestothepublic.APLMNmayberegardedasanextensionofanetwork(e.g.ISDN);itisacollectionofMSCareaswithinacommonnumberingplan(e.g.sameNationalDestinationCode)andacommonroutingplan.TheMSCsarethefunctionalinterfacesbetweenthefixednetworksandaPLMNforcallset-up.FunctionallythePLMNsmayberegardedasindependenttelecommunicationentitieseventhoughdifferentPLMNsmaybeinterconnectedthroughtheIntegratedServicesDigitalNetwork/PrivateIntegratedServicesNetwork(ISDN/PISN)andPacketDataNetworks(PDNs)forforwardingofcallsornetworkinformation.AsimilartypeofinterconnectionmayexistfortheinteractionbetweentheMSCsofonePLMNserveduser:userofaDECTPPwhohasasubscriptionwiththeGSMserviceprovider.TheDECTPPacceptstheGSMSubscriberIdentificationModule(SIM)andoptionallytheDECTAuthenticationModule(DAM)withaGSMapplicationNOTE5:ForthepurposeofthepresentdocumentnodistinctionismadebetweentheserveduseranditsassociatedDECTPP.3.2SymbolsThesymbolsdefinedinthissubclauseareappliedforprocedures,features,servicesinthepresentdocumentifnotexplicitlyotherwisestated.Theinterpretationofstatuscolumnsinalltablesisasfollows:Mformandatorytosupport(provisionmandatory,processmandatory)Oforoptionaltosupport(provisionoptional,processmandatory)Iforout-of-scope(provisionoptional,processoptional)notsubjectfortestingCforconditionaltosupport(processmandatory)N/Afornot-applicable(inthegivencontextthespecificationmakesitimpossibletousethiscapability)XignoreparameterorFPcreatesparameterProvisionmandatory,processmandatorymeansthattheindicatedfeature,serviceorprocedureshallbeimplementedasdescribedinthepresentdocument,andmaybesubjecttotesting.Provisionoptional,processmandatorymeansthattheindicatedfeature,serviceorproceduremaybeimplemented,andifimplemented,thefeature,serviceorprocedureshallbeimplementedasdescribedinthepresentdocument,andmaybesubjecttotesting.NOTE:TheusednotationisbasedonthenotationproposedinISO/IEC9646-7[16].SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)93.3AbbreviationsForthepurposesofthepresentdocument,theabbreviationsgiveninGAP[10]andthefollowingapply:BBusiness(environment)BRABasicRateAccessBSCBaseStationControllerCCCallControlCICommonInterfaceDAMDECTAuthenticationModuleDECTDigitalEnhancedCordlessTelecommunicationsDLCDataLinkControllayerDSS1DigitalSubscriberSignallingSystemNo.1DTMFDualToneMulti-FrequencyFPFixedPartFTFixedradioTerminationGAPGenericAccessProfileGSMGlobalSystemforMobilecommunicationsIAPISDNAccessProfileIEInformationElementIMIPISDNMobilityprotocolInterworkingspecificationProfileIMSIInternationalMobileStationIdentityIPEIInternationalPortableEquipmentIdentityIPUIInternationalPortableUserIdentityISDNIntegratedServicesDigitalNetworkLALLocationAreaLevelLELocalExchangeMMMobilityManagementMSCMobileSwitchingCentreNCICNetworkCallIndependantConnectionNTNetworkTerminationNWKNetWorKPPublic(environment)PHLPHysicalLayerPISNPrivateIntegratedServicesNetworkPLMNPublicLandMobileNetworkPPPortablePartPRAPrimaryRateAccessPTPortableradioTerminationRResidential(environment)SIMSubscriberIdentificationModuleTMSITemporaryMobileStationIdentityTPUITemporaryPortableUserIdentity4FeaturedefinitionsForthepurposesofthepresentdocument,thefeaturedefinitionsinthefollowingsubclausesapply.Thenumbergiveninparenthesesafterthenameofafeatureistheitemnumberusedinthetablesofthepresentdocument.4.1Network(NWK)featuresSeeEN300444[10].SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)104.1.1ApplicationfeaturesTheapplicationfeaturesdefinedinthepresentdocumentconcerntheinterworkingofthecorrespondingnetworklayerfeatures.Hencenonewdefinitionsarerequired.5Generalrequirements5.1Architecture5.1.1ReferenceconfigurationReferenceconfigurationsdescribefunctionalgroupingsbyusingreferencepoints,asdescribedinCCITTRecommendationI.411forISDN[14].ForGSMthereferenceconfigurationsareshowninthealphainterfacespecification[13].AnoverviewofstandardISDNandGSMspecificreferenceconfigurationsisshowninfigure1.PPFPMSCorLEαFigure1:StandardISDNandGSMspecificreferenceconfiguration5.1.2InterfacesThisinterworkingprofileisbasedonthealphainterfacestandard[13],whichappliestoGSMnetworks.Thepresentdocumentcoversbothbasicrateandprimaryrateaccess(BRA,PRA).Pointtomulti-pointaswellaspointtopointconfigurationsareapplicable.5.2ProtocolmodelThefollowingfigureprovidesanoverviewoftheprotocolmodelusedtodescribetheprotocolinterworkingwithintheFT.ThepresentdocumentismainlyconcernedwiththeinterworkingbetweenDECTmobilitymanagementprocedures(invokedbymeansofmessagesandinformationelementsattheairinterface)andtheMMcomponentsonthealphainterface(invokedbymeansofRemoteOperations).ISDNL2DECTPHLDECTMACDECTDLCISDNL1ISDNL3NCICsCCDECTNWKMMCCROSEFP-IWFDECTCIISDNBRA/PRAMMmessagesGSMROSEcomponentsFigure2:ProtocolmodelSIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)11Table1:DescriptionofDECTandISDNlayersLayersDECTISDNL4to6EN301144-1(GSMsignallingapplication)[13]X.219(ROSE)[15]L3EN300175-5(NWK)[6]ETS300403-1(CC)[8]EN301061-1(NCICs)[12]L2EN300175-4(DLC)[5]EN300175-3(MAC)[4]ETS300402[7]L1EN300175-2[3]ETS300011(PRA)[1]ETS300012(BRA)[2]5.3Identityusage5.3.1GSMidentityAtthealphainterface,theGSMidentityisusedtouniquelyidentifyaGSMuser.Attheairinterfacehowever,theDECTPP-identityisusedtoidentitytheuser.TheFPprovidesthemappingbetweenthePP-identityandtheGSM-Identity.Thepresentdocumentassumesthefollowing:1)thereisaoneto

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital Enhanced Cordless Telecommunications (DECT); Integrated Services Digital Network (ISDN); ISDN Mobility protocol Interworking specification Profile (IMIP); Part 2: DECT/ISDN interworking for Global System for Mobile communications (GSM) support33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)33.070.30'(&7Digital Enhanced Cordless Telecommunications (DECT)ICS:Ta slovenski standard je istoveten z:EN 301 361-2 Version 1.1.1SIST EN 301 361-2:2000en01-julij-2000SIST EN 301 361-2:2000SLOVENSKI

STANDARD
SIST EN 301 361-2:2000

ETSIEN301361-2V1.1.1(2000-02)EuropeanStandard(Telecommunicationsseries)DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);ISDNMobilityprotocolInterworkingspecificationProfile(IMIP);Part2:DECT/ISDNinterworkingforGlobalSystemforMobilecommunications(GSM)supportSIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)2ReferenceDEN/DECT-030066Keywordsaccess,CTM,DECT,GSM,ISDN,mobility,profile,radioETSIPostaladdressF-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,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)3ContentsIntellectualPropertyRights................................................................................................................................5Foreword............................................................................................................................................................5Introduction........................................................................................................................................................51Scope........................................................................................................................................................62References................................................................................................................................................63Definitions,symbolsandabbreviations...................................................................................................73.1Definitions..........................................................................................................................................................73.2Symbols..............................................................................................................................................................83.3Abbreviations.....................................................................................................................................................94Featuredefinitions....................................................................................................................................94.1Network(NWK)features...................................................................................................................................94.1.1Applicationfeatures....................................................................................................................................105Generalrequirements.............................................................................................................................105.1Architecture......................................................................................................................................................105.1.1Referenceconfiguration..............................................................................................................................105.1.2Interfaces....................................................................................................................................................105.2Protocolmodel.................................................................................................................................................105.3Identityusage...................................................................................................................................................115.3.1GSMidentity..............................................................................................................................................115.3.2GSMnumber..............................................................................................................................................115.3.3FPaddress...................................................................................................................................................116Interoperabilityrequirements.................................................................................................................126.1General.............................................................................................................................................................126.2NWKfeatures...................................................................................................................................................126.3Applicationfeatures..........................................................................................................................................126.4NWKfeaturetoproceduremapping................................................................................................................136.5Applicationfeaturetoproceduremapping.......................................................................................................147Proceduredescriptions...........................................................................................................................157.1Connectionestablishmentandrelease..............................................................................................................157.1.1NCICsconnectioncontrol...........................................................................................................................157.1.2Connectionestablishmentco-ordination.....................................................................................................157.1.2.1PTinitiatedmobilitymanagementtransaction......................................................................................157.1.2.2Networkinitiatedmobilitymanagementtransaction.............................................................................167.1.3Connectionorienteddatatransferco-ordination.........................................................................................177.1.4Connectionreleaseco-ordination................................................................................................................187.2GenericMobilitymanagement,interworkingprocedures.................................................................................197.2.1Genericinterworkingprocedures,networkinitiatedtransaction,explicitacknowledgement.....................197.2.1.1FPacceptsmobilitymanagementrequest..............................................................................................197.2.1.2FPreceivesresponsefromPP...............................................................................................................197.2.1.3FPrejectsmobilitymanagementrequest...............................................................................................197.2.2Genericinterworkingprocedures,networkinitiatedtransaction,noexplicitacknowledgement................207.2.2.1FPacceptsmobilitymanagementrequest..............................................................................................207.2.2.2FPrejectsmobilitymanagementrequest...............................................................................................207.2.3Genericinterworkingprocedures,PPinitiatedtransaction,explicitacknowledgement..............................217.2.3.1FPacceptsmobilitymanagementrequest..............................................................................................217.2.3.2FPreceivesresponsefromnetwork.......................................................................................................217.2.3.3FPrejectsmobilitymanagementrequest...............................................................................................217.2.4Genericinterworkingprocedures,PPinitiatedtransactionwithnoexplicitacknowledgement..................227.2.4.1FPacceptsmobilitymanagementrequest..............................................................................................227.2.4.2FPrejectsmobilitymanagementrequest...............................................................................................227.2.5IdentificationofPP.....................................................................................................................................23SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)47.2.6AuthenticationofPP...................................................................................................................................247.2.7Locationregistration...................................................................................................................................257.2.7.1FTinitiatestemporaryidentityassignment...........................................................................................257.2.7.2FPreceivestemporaryrejectfromnetwork...........................................................................................267.2.8Networkinitiatedciphering........................................................................................................................267.2.9TemporaryIdentityAssignment..................................................................................................................277.2.10LinkedTemporaryIdentityAssignment.....................................................................................................277.2.11Detach.........................................................................................................................................................287.3Callcontrolprocedures....................................................................................................................................287.3.1General........................................................................................................................................................287.3.2Outgoingcall..............................................................................................................................................287.3.3Incomingcall..............................................................................................................................................327.3.4Callprogressinformationtransfer..............................................................................................................357.3.5Callrelease.................................................................................................................................................367.3.5.1Networkinitiatedrelease.......................................................................................................................367.3.5.2PTinitiatedrelease................................................................................................................................377.3.5.3Otherreleasecases................................................................................................................................377.3.6Keypadinformationtransfer.......................................................................................................................387.4Otherinterworkingprocedures.........................................................................................................................387.4.1Interactionin-betweenMMtransactions.....................................................................................................387.4.2InteractionsbetweenMM-andCC-transactions........................................................................................397.4.3Otherinteractionsbetweenlocalandinterworkedprocedures....................................................................397.4.4Errorhandling.............................................................................................................................................398Messagemappings.................................................................................................................................398.1General.............................................................................................................................................................398.2Mobilitymanagementmessage/componentmapping.......................................................................................408.2.1General........................................................................................................................................................408.2.1aMMcomponenttoDECTmessage.............................................................................................................408.2.2DECTmessagetoMMcomponent.............................................................................................................408.3Callcontrolmessagemapping..........................................................................................................................418.3.1General........................................................................................................................................................418.3.1aDSS1messagetoDECTmessage...............................................................................................................418.3.2DECTmessagetoDSS1message...............................................................................................................418.4Informationelement/parametermapping..........................................................................................................428.4.1General........................................................................................................................................................428.4.1aGSMinformationelement/parametertoDECTinformationelement.........................................................428.4.1.1General/transparentmapping................................................................................................................428.4.1.2<_componentType>+<_operation>-<>...................................................................438.4.1.3<_gSMIdentityType>-<>............................................................................................438.4.1.4<_invokeIdentifier>-<>................................................................................438.4.2DECTinformationelementtoGSMinformationelement/parameter.........................................................448.4.2.1General/transparentmapping................................................................................................................448.4.2.2Fixedidentity+locationarea-_gSMLocationAreaIdentity.................................................................448.4.2.3Messagetype-_componentType+_operation......................................................................................458.4.2.4Transactionidentifier-_invokeIdentifier..............................................................................................45Bibliography.....................................................................................................................................................46History..............................................................................................................................................................47SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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)hasbeenproducedbyETSIProjectDigitalEnhancedCordlessTelecommunications(DECT).Thepresentdocumentispart2ofamulti-partstandardcoveringtheISDNMobilityprotocolInterworkingspecificationProfile(IMIP),asidentifiedbelow:Part1:"DECT/ISDNinterworkingforCordlessTerminalMobility(CTM)support";Part2:"DECT/ISDNinterworkingforGlobalSystemforMobilecommunications(GSM)support".NationaltranspositiondatesDateofadoptionofthisEN:7January2000DateoflatestannouncementofthisEN(doa):30April2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31October2000DateofwithdrawalofanyconflictingNationalStandard(dow):31October2000IntroductionThepresentdocumentdefinesaprofileforinterworkingbetweenaDECTsystemandanIntegratedServicesDigitalNetwork(ISDN)usingtheenhancedDigitalSubscriberSignallingNo.1(DSS1)protocoldefinedinEN301144-1[13].ThisISDNprotocolenablescordlessterminalstohaveaccesstoanISDNinfrastructure.PartonedefinestheDECT/DSS1+interworkingfortheCTMsupport.ParttwoconsiderstheDECT/DSS1+interworkingfortheGSMsupport.ThepresentdocumentspecifieshowDSS1+proceduresandinformationaremappedovertheDECTairinterface,andhowtheyareprovidedandusedbytheDECTFixedPart.SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)61ScopeThepresentdocumentspecifiesasetoftechnicalrequirementsforDigitalEnhancedCordlessTelecommunications(DECT)FixedParts(FP)supportingconnection,viaanISDNinterface,toanetworksupportingterminalmobility.ThepresentdocumentcoverstherequirementsnecessaryforthesupportofCordlessTerminalMobility(CTM)(Part1)andforthesupportoftheDECTaccesstoGSMviaISDNinterfaces(Part2).ThepresentdocumentspecifiestheinterworkingproceduresbetweentheDigitalEnhancedCordlessTelecommunications(DECT)airinterfaceandthemobilitymanagementprotocolsdefinedforIntegratedServicesDigitalNetwork(ISDN)interfaces.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.•Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.•Foraspecificreference,subsequentrevisionsdonotapply.•Foranon-specificreference,thelatestversionapplies.•Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETS300011:"IntegratedServicesDigitalNetwork(ISDN);Primaryrateuser-networkinterface;Layer1specificationandtestprinciples".[2]ETS300012:"IntegratedServicesDigitalNetwork(ISDN);Basicuser-networkinterface;Layer1specificationandtestprinciples".[3]EN300175-2:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part2:PhysicalLayer(PHL)".[4]EN300175-3:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part3:MediumAccessControl(MAC)layer".[5]EN300175-4:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part4:DataLinkControl(DLC)layer".[6]EN300175-5:"DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part5:Network(NWK)layer".[7]ETS300402:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Datalinklayer".[8]EN300403-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Signallingnetworklayerforcircuit-modebasiccallcontrol;Part1:Protocolspecification[ITU-TRecommendationQ.931(1993),modified]".[9]ETS300434-2:"DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);DECT/ISDNinterworkingforendsystemconfiguration;Part2:Accessprofile".[10]EN300444:"DigitalEnhancedCordlessTelecommunications(DECT);GenericAccessProfile(GAP)".SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)7[11]ETS300788:"DigitalEnhancedCordlessTelecommunications(DECT);GlobalSystemforMobilecommunications(GSM);IntegratedServicesDigitalNetwork(ISDN);DECTaccesstoGSMviaISDN;Functionalcapabilitiesandinformationflows".[12]EN301061-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Genericfunctionalprotocolforthesupportofsupplementaryservicesatthe"b"serviceentrypointforVirtualPrivateNetwork(VPN)applications;Part1:Protocolspecification".[13]EN301144-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)andSignallingSystemNo.7(SS7);Signallingapplicationforthemobilitymanagementserviceonthealphainterface;Part1:Protocolspecification".[14]CCITTRecommendationI.411(1988):"ISDNuser-networkinterfaces-Referenceconfigurations".[15]CCITTRecommendationX.219(1988):"Remoteoperations:Model,notationandservicedefinition".[16]ISO/IEC9646-7(1995):"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part7:ImplementationConformanceStatements".[17]EN301361-1:"DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);ISDNMobilityprotocolInterworkingspecificationProfile(IMIP);Part1:DECT/ISDNinterworkingforCordlessTerminalMobility(CTM)support".[18]ETS300434-1:"DigitalEnhancedCordlessTelecommunications(DECT);IntegratedServicesDigitalNetwork(ISDN);DECT/ISDNinterworkingforendsystemconfiguration;Part1:Interworkingspecification".3Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsgiveninGAP[10]andthefollowingapply:DECTaccessnetwork:physicalentitythatcontainsalloftheelementsofaDECTFixedPart(FP)andthatisattachedtoaGSMMSCNOTE1:ADECTaccessnetworkprovidesatransparentaccesstotheservicesoftheGSMPLMN.Thisdoeshowevernotexcludethatitmayinadditionprovideservicesandswitchingcapabilitiestoitsownusers.DECTFixedPart(FP):physicalgroupingthatcontainsalloftheelementsintheDECTnetworkbetweenthelocalnetworkandtheDECTairinterfaceNOTE2:ADECTFPcontainsthelogicalelementsofatleastonefixedradiotermination,plusadditionalimplementationspecificelements.DECTlocationarea:domaininwhichaDECTPPmayreceiveand/ormakecallsasaresultofasinglelocationregistrationintheDECTaccessnetworkGSMlocationarea:domaininwhichaDECTPPmayreceiveand/ormakecallsasaresultofasinglelocationupdatingintheGSMnetworkNOTE3:AGSMlocationareamaycovermorethanoneDECTlocationarea.GSMserviceprovider:administrationwhichoffersglobalmobiletelecommunicationservicestoitssubscribersGSMservices:serviceswhichareofferedtothesubscriber/userbyaGSMServiceProviderandwhicharedefinedbytheappropriateGSMspecificationsSIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)8locationregistration:processwherebythepositionofaPPisdeterminedtothelevelofonelocationarea,andthispositionisupdatedinthenetworklocationupdating:processwherebythepositionofaPPisdeterminedtothelevelofonelocationarea,andthispositionisupdatedinthenetworkNOTE4:DECTandGSMrespectivelyusethetermslocationregistrationandlocationupdatingforactuallysimilarprocesses.MSCarea:MSCareaisthepartofthenetworkcoveredbyanMSC.AnMSCareamayconsistofoneorseveralGSMlocationareas.AnMSCareamayalsoconsistofoneorseveralBaseStationController(BSC)areasand/oroneorseveralDECTlocationareasnetwork:totalityofGSMandDECTaccessnetworkelementsthroughwhichtheGSMserviceproviderprovidesitsservicestotheserveduserPublicLandMobileNetwork(PLMN):PLMNisestablishedandoperatedbyanadministrationorforthespecificpurposeofprovidinglandmobiletelecommunicationservicestothepublic.APLMNmayberegardedasanextensionofanetwork(e.g.ISDN);itisacollectionofMSCareaswithinacommonnumberingplan(e.g.sameNationalDestinationCode)andacommonroutingplan.TheMSCsarethefunctionalinterfacesbetweenthefixednetworksandaPLMNforcallset-up.FunctionallythePLMNsmayberegardedasindependenttelecommunicationentitieseventhoughdifferentPLMNsmaybeinterconnectedthroughtheIntegratedServicesDigitalNetwork/PrivateIntegratedServicesNetwork(ISDN/PISN)andPacketDataNetworks(PDNs)forforwardingofcallsornetworkinformation.AsimilartypeofinterconnectionmayexistfortheinteractionbetweentheMSCsofonePLMNserveduser:userofaDECTPPwhohasasubscriptionwiththeGSMserviceprovider.TheDECTPPacceptstheGSMSubscriberIdentificationModule(SIM)andoptionallytheDECTAuthenticationModule(DAM)withaGSMapplicationNOTE5:ForthepurposeofthepresentdocumentnodistinctionismadebetweentheserveduseranditsassociatedDECTPP.3.2SymbolsThesymbolsdefinedinthissubclauseareappliedforprocedures,features,servicesinthepresentdocumentifnotexplicitlyotherwisestated.Theinterpretationofstatuscolumnsinalltablesisasfollows:Mformandatorytosupport(provisionmandatory,processmandatory)Oforoptionaltosupport(provisionoptional,processmandatory)Iforout-of-scope(provisionoptional,processoptional)notsubjectfortestingCforconditionaltosupport(processmandatory)N/Afornot-applicable(inthegivencontextthespecificationmakesitimpossibletousethiscapability)XignoreparameterorFPcreatesparameterProvisionmandatory,processmandatorymeansthattheindicatedfeature,serviceorprocedureshallbeimplementedasdescribedinthepresentdocument,andmaybesubjecttotesting.Provisionoptional,processmandatorymeansthattheindicatedfeature,serviceorproceduremaybeimplemented,andifimplemented,thefeature,serviceorprocedureshallbeimplementedasdescribedinthepresentdocument,andmaybesubjecttotesting.NOTE:TheusednotationisbasedonthenotationproposedinISO/IEC9646-7[16].SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)93.3AbbreviationsForthepurposesofthepresentdocument,theabbreviationsgiveninGAP[10]andthefollowingapply:BBusiness(environment)BRABasicRateAccessBSCBaseStationControllerCCCallControlCICommonInterfaceDAMDECTAuthenticationModuleDECTDigitalEnhancedCordlessTelecommunicationsDLCDataLinkControllayerDSS1DigitalSubscriberSignallingSystemNo.1DTMFDualToneMulti-FrequencyFPFixedPartFTFixedradioTerminationGAPGenericAccessProfileGSMGlobalSystemforMobilecommunicationsIAPISDNAccessProfileIEInformationElementIMIPISDNMobilityprotocolInterworkingspecificationProfileIMSIInternationalMobileStationIdentityIPEIInternationalPortableEquipmentIdentityIPUIInternationalPortableUserIdentityISDNIntegratedServicesDigitalNetworkLALLocationAreaLevelLELocalExchangeMMMobilityManagementMSCMobileSwitchingCentreNCICNetworkCallIndependantConnectionNTNetworkTerminationNWKNetWorKPPublic(environment)PHLPHysicalLayerPISNPrivateIntegratedServicesNetworkPLMNPublicLandMobileNetworkPPPortablePartPRAPrimaryRateAccessPTPortableradioTerminationRResidential(environment)SIMSubscriberIdentificationModuleTMSITemporaryMobileStationIdentityTPUITemporaryPortableUserIdentity4FeaturedefinitionsForthepurposesofthepresentdocument,thefeaturedefinitionsinthefollowingsubclausesapply.Thenumbergiveninparenthesesafterthenameofafeatureistheitemnumberusedinthetablesofthepresentdocument.4.1Network(NWK)featuresSeeEN300444[10].SIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)104.1.1ApplicationfeaturesTheapplicationfeaturesdefinedinthepresentdocumentconcerntheinterworkingofthecorrespondingnetworklayerfeatures.Hencenonewdefinitionsarerequired.5Generalrequirements5.1Architecture5.1.1ReferenceconfigurationReferenceconfigurationsdescribefunctionalgroupingsbyusingreferencepoints,asdescribedinCCITTRecommendationI.411forISDN[14].ForGSMthereferenceconfigurationsareshowninthealphainterfacespecification[13].AnoverviewofstandardISDNandGSMspecificreferenceconfigurationsisshowninfigure1.PPFPMSCorLEαFigure1:StandardISDNandGSMspecificreferenceconfiguration5.1.2InterfacesThisinterworkingprofileisbasedonthealphainterfacestandard[13],whichappliestoGSMnetworks.Thepresentdocumentcoversbothbasicrateandprimaryrateaccess(BRA,PRA).Pointtomulti-pointaswellaspointtopointconfigurationsareapplicable.5.2ProtocolmodelThefollowingfigureprovidesanoverviewoftheprotocolmodelusedtodescribetheprotocolinterworkingwithintheFT.ThepresentdocumentismainlyconcernedwiththeinterworkingbetweenDECTmobilitymanagementprocedures(invokedbymeansofmessagesandinformationelementsattheairinterface)andtheMMcomponentsonthealphainterface(invokedbymeansofRemoteOperations).ISDNL2DECTPHLDECTMACDECTDLCISDNL1ISDNL3NCICsCCDECTNWKMMCCROSEFP-IWFDECTCIISDNBRA/PRAMMmessagesGSMROSEcomponentsFigure2:ProtocolmodelSIST EN 301 361-2:2000

ETSIETSIEN301361-2V1.1.1(2000-02)11Table1:DescriptionofDECTandISDNlayersLayersDECTISDNL4to6EN301144-1(GSMsignallingapplication)[13]X.219(ROSE)[15]L3EN300175-5(NWK)[6]ETS300403-1(CC)[8]EN301061-1(NCICs)[12]L2EN300175-4(DLC)[5]EN300175-3(MAC)[4]ETS300402[7]L1EN300175-2[3]ETS300011(PRA)[1]ETS300012(BRA)[2]5.3Identityusage5.3.1GSMidentityAtthealphainterface,theGSMidentityisusedtouniquelyidentifyaGSMuser.Attheairinterfacehowever,theDECTPP-identityisusedtoidentitytheuser.TheFPprovidesthemappingbetweenthePP-identityandtheGSM-Identity.Thepresentdocumentassumesthefollowing:1)therei

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