SIST EN 302 407 V7.0.3:2003

• Abstract:

  This Technical Specification specifies the procedures used at the CTS system interface with the supervision part i.e. the interface between the CTS-FP and the CTS-SN. Only CTS regular supervising procedures are described; FMC management is not intended to be standardised. This document does not specify the transmission layer but only the layer 3. When the notations for further study or FS or FFS are present in this ETS they mean that the indicated text is not a normative portion of this standard. The structured functions and procedures of this protocol and the relationship with other layers and entities are described in general terms in GSM04.07.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.50 - Global System for Mobile Communication (GSM)
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI EN 302 407 V7.0.3 (2000-08) - Digital cellular telecommunications system (Phase 2+) (GSM); GSM Cordless Telephony System (CTS), Phase 1; CTS supervising system layer 3 specification (GSM 04.57 version 7.0.3 Release 1998)

Overview

SIST EN 302 407 V7.0.3:2003 details the Layer 3 specification for the GSM Cordless Telephony System (CTS) supervising system, Phase 1. This standard, published by the Slovenski inštitut za standardizacijo (SIST), helps define procedures used at the CTS system interface, specifically the interface between the CTS Fixed Part (CTS-FP) and the CTS Service Node (CTS-SN). The focus lies on regular supervising procedures for the CTS, ensuring stability, supervised operation, and interoperability within GSM-based cordless telephony environments.

The specification emphasizes Layer 3 functionalities-it does not address the physical (transmission) layer, concentrating instead on management messages and control procedures necessary for supervisory tasks within the CTS network infrastructure.

Key Topics

• CTS Supervising Procedures: The standard establishes the various management procedures required for supervising the interaction between the CTS-FP and the CTS-SN. It covers:

  • Initialisation and de-initialisation of the fixed part
  • Enrolment and de-enrolment of mobile stations
  • Data update operations
  • Information and authentication requests

• Layer 3 Management:

  • Defines the message flows, structure of interactions, and management control elements for CTS interface supervision.
  • Specifies only the procedural aspects of the protocol-not the physical data transport mechanisms.

• Protocol Relationships:

  • Structured functions and procedures described here relate, in general terms, to those outlined in GSM 04.07.
  • Specifies only normative, stable elements intended for implementation; sections labeled as "for further study" are not binding.

• System States & Error Handling:

  • Describes states of the CTS-FP and CTS-SN relevant to supervising management.
  • Outlines guidelines for compatibility with future protocol enhancements and rules on managing unforeseen or erroneous data.

Applications

SIST EN 302 407 V7.0.3:2003 delivers value across several practical areas in GSM cordless telephony networks:

• Telecommunications Equipment Manufacturers: Enables vendors to develop interoperable GSM CTS systems that adhere to consistent management procedures at Layer 3, ensuring their equipment can function reliably within multi-vendor environments.

• Network Operators: Assists operators in ensuring that their fixed and mobile parts of the cordless telephony network communicate and are supervised effectively, maintaining system integrity and enhancing security through defined authentication procedures.

• Testing & Integration: Provides references and structure for test procedures aligned with GSM 11.56, which support conformance and interoperability assessment during network deployment or expansion.

• Maintenance & Upgrades: Tools and processes defined here allow operators and maintenance teams to initialize, enrol, update, and authenticate system elements-essential for lifecycle management and for introducing new features or technologies safely.

Related Standards

To implement SIST EN 302 407 V7.0.3:2003 effectively, familiarity with interconnected GSM standards and protocols is valuable:

• GSM 04.07: General aspects of Layer 3 and procedures, foundational for understanding overall signaling within digital cellular systems.
• GSM 04.03, 04.04, 04.06: Define channel structures and other lower-layer behaviors influencing CTS operations.
• GSM 04.56: Specific to CTS radio interface Layer 3 specification.
• GSM 03.56, 03.20: Cover service and security aspects relevant to the CTS environment.
• GSM 11.56: Details test procedures for interface signaling.
• GSM 01.04, 02.02, 02.09, 02.11: Provide terminology, service, and security frameworks referenced here.

Keywords: digital cellular telecommunications, GSM, cordless telephony, CTS supervising system, Layer 3, network management, GSM 04.57, SIST standard, telecommunications protocols, fixed part, service node, authentication.

By following SIST EN 302 407 V7.0.3:2003, organizations ensure seamless supervisory communication and robust operation within GSM cordless telephony environments, supporting effective deployment and long-term maintainability of telecommunications infrastructure.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); GSM Cordless Telephony System (CTS), Phase 1; CTS supervising system layer 3 specification (GSM 04.57 version 7.0.3 Release 1998)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 302 407 Version 7.0.3SIST EN 302 407 V7.0.3:2003en01-december-2003SIST EN 302 407 V7.0.3:2003SLOVENSKI
STANDARD
ETSIEN302407V7.0.3(2000-08)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);GSMCordlessTelephonySystem(CTS),Phase1;CTSsupervisingsystemlayer3specification(GSM04.57version7.0.3Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)2(GSM04.57version7.0.3Release1998)ReferenceDEN/SMG-030457Q7KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM),GSMCordlessTelephonySystem(CTS)ETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)3(GSM04.57version7.0.3Release1998)ContentsIntellectualPropertyRights.6Foreword.61Scope.71.1ScopeoftheTechnicalSpecification.71.2Applicationtotheinterfacestructures.71.3Structureoflayer3procedures.71.4Testprocedures.71.5Transmissionlayer.71.6Overviewofcontrolprocedures.71.6.1Listofprocedures.71.7Applicabilityofimplementations.82References.83Definitions,abbreviationsandRandomvalues.123.1Definitions.123.2Abbreviations.123.3Randomvalues.124CTSsupervisingmanagementprocedures.124.1General.124.2CTS-SPMprocedures.134.3CTS-SPMstates.134.3.1CTS-SPMstatesattheFixedPart.134.3.2CTS-SPMstatesattheServiceNode.134.4CTS-SPMcommonprocedures.144.4.1CTS-FPinitialisationprocedure.144.4.1.1CTS-FPinitialisationinitiation.144.4.1.2CTS-FPinitialisationcompletion.144.4.2CTSenrolmentprocedure.144.4.2.1CTS-SPMenrolmentinitiation.154.4.2.2CTSenrolmentcompletion.154.4.3CTSoperationdataupdateprocedure.154.4.3.1CTSoperationdataupdateinitiation.154.4.3.2CTSoperationdataupdatecompletion.154.4.4CTSInformationdatarequestprocedure.154.4.4.1CTSInformationdatarequest.164.4.4.2CTSInformationdataresponse.164.4.5CTS-FPde-initialisationprocedure.164.4.5.1CTS-FPde-initialisationinitiation.164.4.5.2CTSde-initialisationcompletion.164.4.6CTS-SPMde-enrolmentprocedure.164.4.6.1CTS-SPMde-enrolmentinitiatedbythefixedpart.164.4.6.2CTS-SPMde-enrolmentinitiatedbytheservicenode.164.4.7CTSFPauthenticationprocedure.164.4.7.1CTSFPauthenticationrequest.174.4.7.2CTSFPauthenticationresponse.174.4.8CTSMSauthenticationprocedure.174.4.8.1CTSMSauthenticationrequest.174.4.8.2CTSMSauthenticationresponse.175Examplesofstructuredprocedures.175.1CTS-FPInitialisation.175.2CTS-SPMEnrolment.185.3Operationdataupdate.195.4Informationrequest.195.5CTS-FPDe-initialisation.19SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)4(GSM04.57version7.0.3Release1998)5.6CTS-SPMDe-enrolment.205.6.1CTS-SPMDe-enrolmentinitiatedbythefixedpart.205.6.2CTS-SPMDe-enrolmentinitiatedbytheservicenode.206Handlingofunknown,unforeseen,anderroneousprotocoldata.217Messagefunctionaldefinitionsandcontents.217.1MessagesforCTSSupervisingmanagement.227.1.1CTS-FPinitialisationrequest.227.1.2CTS-FPinitialisationaccept.237.1.3CTS-FPinitialisationcomplete.237.1.4CTS-FPinitialisationreject.247.1.5CTS-FPde-initialisationrequest.247.1.6CTS-FPde-initialisationcomplete.247.1.7CTS-FPde-initialisationreject.257.1.8CTSenrolmentrequest.257.1.9CTS-SPMenrolmentaccept.267.1.10CTS-SPMenrolmentreject.267.1.11CTS-SPMde-enrolmentindication.267.1.12CTS-SPMde-enrolmentrequest.277.1.13CTS-SPMde-enrolmentcomplete.277.1.14CTS-SPMde-enrolmentreject.287.1.15CTSoperationdatarequest.287.1.16CTSoperationdatadeliver.287.1.17CTSoperationdataaccept.297.1.18CTSoperationdatareject.297.1.19CTSinformationdatarequest.307.1.20CTSinformationdataresponse.307.1.21CTSFPauthenticationrequest.317.1.22CTSFPauthenticationresponse.317.1.23CTSFPauthenticationreject.317.1.24CTSMSauthenticationrequest.327.1.25CTSMSauthenticationresponse.327.1.26CTSMSauthenticationreject.337.1.27CTSSNsigningmodecommand.338Generalmessageformatandinformationelementscoding.338.1Overview.338.2ProtocolDiscriminator.338.3Skipindicatorandtransactionidentifier.348.3.1Skipindicator.348.3.2Transactionidentifier.348.4MessageType.348.4.1Supervisingmanagementinformationelements.358.4.1.1AuthenticationparameterRAND1.358.4.1.2AuthenticationparameterRAND2.358.4.1.3AuthenticationparameterSRES.368.4.1.4FixedpartIdentity.368.4.1.5MobilestationIdentity.378.4.1.6FixedPartClassmark.388.4.1.7RadiofrequencycontrolParameters.388.4.1.8RadiolinkcontrolParameters.418.4.1.9GenericFrequencyList.428.4.1.10CellIdentityList.428.4.1.11Applicationtime.448.4.1.12Enrolmenttime.448.4.1.13Validityperiod.458.4.1.14Recallperiod.459Listofsystemparameters.469.1Timersandcountersforradioresourcemanagement.469.1.1TimersontheSNside.469.1.2TimersontheCTS-FPside.46SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)5(GSM04.57version7.0.3Release1998)History.47SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)6(GSM04.57version7.0.3Release1998)IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeSpecialMobileGroup(SMG).ThepresentdocumentwassubmittedtoPublicEnquirywiththeETSInumber301407.ForVotethenumberwaschangedto302407becausethenumber301407isreservedandwasallocatedaccidentally.ThepresentdocumentspecifiestheproceduresusedattheCTSradiointerface(ReferencePointUm*,seeGSM03.56)forCallControl(CC),MobilityManagement(MM)andRadioResource(RR)managementwithintheEuropeandigitalcellulartelecommunicationssystem.ThecontentsofthepresentdocumentaresubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillthenberepublishedbyETSIwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version7.x.ywhere:7GSMPhase2+Release1998ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification;xtheseconddigitisincrementedforallothertypesofchanges,i.e.technicalenhancements,corrections,updates,etc.NationaltranspositiondatesDateofadoptionofthisEN:21July2000DateoflatestannouncementofthisEN(doa):31October2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30April2001DateofwithdrawalofanyconflictingNationalStandard(dow):30April2001SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)7(GSM04.57version7.0.3Release1998)1ScopeThepresentdocumentspecifiestheproceduresusedattheCTSsysteminterfacewiththesupervisionparti.e.theinterfacebetweentheCTS-FPandtheCTS-SN.OnlyCTSregularsupervisingproceduresaredescribed;FMCmanagementisnotintendedtobestandardised.Thepresentdocumentdoesnotspecifythetransmissionlayerbutonlythelayer3.Whenthenotationsfor"furtherstudy"or"FS"or"FFS"arepresentinthepresentdocumenttheymeanthattheindicatedtextisnotanormativeportionofthepresentdocument.ThestructuredfunctionsandproceduresofthisprotocolandtherelationshipwithotherlayersandentitiesaredescribedingeneraltermsinGSM04.07.1.1ScopeoftheTechnicalSpecificationTheprocedurescurrentlydescribedinthepresentdocumentareforsupervisingmanagementovertheCTS-FP/CTS-SNinterface.1.2ApplicationtotheinterfacestructuresThelayer3proceduresapplytotheinterfacestructuresdefinedinGSM04.03.GSM04.07givesthegeneraldescriptionoflayer3includingprocedures,messagesformatanderrorhandling.1.3Structureoflayer3proceduresAbuildingblockmethodisusedtodescribethelayer3procedures.Thebasicbuildingblocksare"elementaryprocedures"providedbytheprotocolcontrolentities.Completelayer3transactionsconsistofspecificsequencesofelementaryprocedures.Theterm"structuredprocedure"isusedforthesesequences.1.4TestproceduresTestproceduresoftheCTS/FixedNetworkinterfacesignallingaredescribedintheGSM11.56series.1.5TransmissionlayerThetransmissionlayerisoutofscopeofthepresentdocument.OneimplementationcouldbeaV.22bismodemwithanHDLCbasedprotocol.1.6Overviewofcontrolprocedures1.6.1ListofproceduresThefollowingproceduresarespecifiedinthepresentdocument:Section4specifieselementaryproceduresforCTSSupervisingManagement-CTS-FPinitialisationprocedure(subclause4.4.1);-CTS-FPde-initialisationprocedure(subclause4.4.5);SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)8(GSM04.57version7.0.3Release1998)-CTSenrolmentprocedure(subclause4.4.2);-CTSde-enrolmentprocedure(subclause4.4.6);-CTSoperationdataupdateprocedure(subclause4.4.3);-CTSinformationrequestprocedure(subclause4.4.4);-CTSFPauthenticationprocedure(subclause4.4.7);-CTSMSauthenticationprocedure(subclause4.4.8).Theelementaryprocedurescanbecombinedtoformstructuredprocedures.Examplesofsuchstructuredproceduresaregiveninsection5.ThispartoftheTechnicalSpecificationisonlyprovidedforguidancetoassistimplementations.Section6specifiesactionstobetakenonvariouserrorconditionsandalsoprovidesrulestoensurecompatibilitywithfutureenhancementsoftheprotocol.1.7ApplicabilityofimplementationsTheapplicabilityofproceduresofthepresentdocumentforthefixedpartisdependentontheservicesandfunctionswhicharetobesupportedbyafixedpart.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.• ForthisRelease1998document,referencestoGSMdocumentsareforRelease1998versions(version7.x.y).[1]GSM01.02:"Digitalcellulartelecommunicationssystem(Phase2+);GeneraldescriptionofaGSMPublicLandMobileNetwork(PLMN)".[2]GSM01.04:"Digitalcellulartelecommunicationssystem(Phase2+);Abbreviationsandacronyms".[3]GSM02.02:"Digitalcellulartelecommunicationssystem(Phase2+);BearerServices(BS)supportedbyaGSMPublicLandMobileNetwork(PLMN)".[4]GSM02.03:"Digitalcellulartelecommunicationssystem(Phase2+);TeleservicessupportedbyaGSMPublicLandMobileNetwork(PLMN)".[5]GSM02.09:"Digitalcellulartelecommunicationssystem(Phase2+);Securityaspects".[6]GSM02.11:"Digitalcellulartelecommunicationssystem(Phase2+);Serviceaccessibility".[7]GSM02.17:"Digitalcellulartelecommunicationssystem(Phase2+);SubscriberidentitymodulesFunctionalcharacteristics".[8]GSM02.40:"Digitalcellulartelecommunicationssystem(Phase2+);Proceduresforcallprogressindications".[9]GSM03.01:"Digitalcellulartelecommunicationssystem(Phase2+);Networkfunctions".SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)9(GSM04.57version7.0.3Release1998)[10]GSM03.03:"Digitalcellulartelecommunicationssystem(Phase2+);Numbering,addressingandidentification".[11]GSM03.13:"Digitalcellulartelecommunicationssystem(Phase2+);DiscontinuousReception(DRX)intheGSMsystem".[12]GSM03.14:"Digitalcellulartelecommunicationssystem(Phase2+);SupportofDualToneMulti-Frequencysignalling(DTMF)viatheGSMsystem".[13]GSM03.20:"Digitalcellulartelecommunicationssystem(Phase2+);Securityrelatednetworkfunctions".[14]GSM03.22:"Digitalcellulartelecommunicationssystem(Phase2+);FunctionsrelatedtoMobileStation(MS)inidlemode".[15]GSM04.02:"Digitalcellulartelecommunicationssystem(Phase2+);GSMPublicLandMobileNetwork(PLMN)accessreferenceconfiguration".[16]GSM04.03:"Digitalcellulartelecommunicationssystem(Phase2+);MobileStation-BaseStationSystem(MS-BSS)interfaceChannelstructuresandaccesscapabilities".[17]GSM04.04:"Digitalcellulartelecommunicationssystem(Phase2+);layer1Generalrequirements".[18]GSM04.05:"Digitalcellulartelecommunicationssystem(Phase2+);DataLink(DL)layerGeneralaspects".[19]GSM04.06:"Digitalcellulartelecommunicationssystem(Phase2+);MobileStation-BaseStationSystem(MS-BSS)interfaceDataLink(DL)layerspecification".[20]GSM04.07:"Digitalcellulartelecommunicationssystem(Phase2+);Mobileradiointerfacesignallinglayer3Generalaspects".[21]GSM04.10:"Digitalcellulartelecommunicationssystem;Mobileradiointerfacelayer3SupplementaryservicesspecificationGeneralaspects".[22]GSM04.11:"Digitalcellulartelecommunicationssystem(Phase2);Point-to-Point(PP)ShortMessageService(SMS)supportonmobileradiointerface".[23]GSM04.12:"Digitalcellulartelecommunicationssystem(Phase2+);ShortMessageServiceCellBroadcast(SMSCB)supportonthemobileradiointerface".[24]GSM04.80:"Digitalcellulartelecommunicationssystem(Phase2+);Mobileradiointerfacelayer3supplementaryservicesspecificationFormatsandcoding".[25]GSM04.81:"Digitalcellulartelecommunicationssystem(Phase2+);Lineidentificationsupplementaryservices-Stage3".[26]GSM04.82:"Digitalcellulartelecommunicationssystem(Phase2+);CallForwarding(CF)supplementaryservices-Stage3".[27]GSM04.83:"Digitalcellulartelecommunicationssystem(Phase2+);CallWaiting(CW)andCallHold(HOLD)supplementaryservices-Stage3".[28]GSM04.84:"Digitalcellulartelecommunicationssystem(Phase2+);MultiParty(MPTY)supplementaryservices-Stage3".[29]GSM04.85:"Digitalcellulartelecommunicationssystem(Phase2+);ClosedUserGroup(CUG)supplementaryservices-Stage3".[30]GSM04.86:"Digitalcellulartelecommunicationssystem(Phase2+);AdviceofCharge(AoC)supplementaryservices-Stage3".[31]GSM04.88:"Digitalcellulartelecommunicationssystem(Phase2+);CallBarring(CB)supplementaryservices-Stage3".SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)10(GSM04.57version7.0.3Release1998)[32]GSM05.02:"Digitalcellulartelecommunicationssystem(Phase2+);Multiplexingandmultipleaccessontheradiopath".[33]GSM05.05:"Digitalcellulartelecommunicationssystem(Phase2+);Radiotransmissionandreception".[34]GSM05.08:"Digitalcellulartelecommunicationssystem(Phase2+);Radiosubsystemlinkcontrol".[35]GSM05.10:"Digitalcellulartelecommunicationssystem(Phase2+);Radiosubsystemsynchronization".[36]GSM07.01:"Digitalcellulartelecommunicationssystem(Phase2+);GeneralonTerminalAdaptationFunctions(TAF)forMobileStations(MS)".[37]GSM09.02:"Digitalcellulartelecommunicationssystem(Phase2+);MobileApplicationPart(MAP)specification".[38]GSM09.07:"Digitalcellulartelecommunicationssystem(Phase2+);GeneralrequirementsoninterworkingbetweenthePublicLandMobileNetwork(PLMN)andtheIntegratedServicesDigitalNetwork(ISDN)orPublicSwitchedTelephoneNetwork(PSTN)".[39]GSM11.10:"Digitalcellulartelecommunicationssystem(Phase2+);MobileStation(MS)conformityspecification".[40]GSM11.21:"Digitalcellulartelecommunicationssystem(Phase2);TheGSMBaseStationSystem(BSS)equipmentspecification".[41]ISO/IEC646(1991):"Informationtechnology-ISO7-bitcodedcharactersetforinformationinterchange".[42]ISO/IEC6429:"Informationtechnology-Controlfunctionsforcodedcharactersets".[43]ISO8348(1987):"Informationprocessingsystems-Datacommunications-Networkservicedefinition".[44]CCITTRecommendationE.163:"Numberingplanfortheinternationaltelephoneservice".[45]CCITTRecommendationE.164:"NumberingplanfortheISDNera".[46]CCITTRecommendationE.212:"Identificationplanforlandmobilestations".[47]ITU-TRecommendationF.69(1993):"Planfortelexdestinationcodes".[48]CCITTRecommendationI.330:"ISDNnumberingandaddressingprinciples".[49]CCITTRecommendationI.440(1989):"ISDNuser-networkinterfacedatalinklayer-Generalaspects".[50]CCITTRecommendationI.450(1989):"ISDNuser-networkinterfacelayer3Generalaspects".[51]ITU-TRecommendationI.500(1993):"GeneralstructureoftheISDNinterworkingrecommendations".[52]CCITTRecommendationT.50:"InternationalAlphabetNo.5".[53]CCITTRecommendationQ.931:ISDNuser-networkinterfacelayer3specificationforbasiccontrol".[54]CCITTRecommendationV.21:"300bitspersecondduplexmodemstandardizedforuseinthegeneralswitchedtelephonenetwork".[55]CCITTRecommendationV.22:"1200bitspersecondduplexmodemstandardizedforuseinthegeneralswitchedtelephonenetworkandonpoint-to-point2-wireleasedtelephone-typecircuits".SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)11(GSM04.57version7.0.3Release1998)[56]CCITTRecommendationV.22bis:"2400bitspersecondduplexmodemusingthefrequencydivisiontechniquestandardizedforuseonthegeneralswitchedtelephonenetworkandonpoint-to-point2-wireleasedtelephone-typecircuits".[57]CCITTRecommendationV.23:"600/1200-baudmodemstandardizedforuseinthegeneralswitchedtelephonenetwork".[58]CCITTRecommendationV.26ter:"2400bitspersecondduplexmodemusingtheechocancellationtechniquestandardizedforuseonthegeneralswitchedtelephonenetworkandonpoint-to-point2-wireleasedtelephone-typecircuits".[59]CCITTRecommendationV.32:"Afamilyof2-wire,duplexmodemsoperatingatdatasignallingratesofupto9600bit/sforuseonthegeneralswitchedtelephonenetworkandonleasedtelephone-typecircuits".[60]CCITTRecommendationV.110:"Supportofdataterminalequipments(DTEs)withV-Seriesinterfacesbyanintegratedservicesdigitalnetwork".[61]CCITTRecommendationV.120:"SupportbyanISDNofdataterminalequipmentwithV-Seriestypeinterfaceswithprovisionforstatisticalmultiplexing".[62]CCITTRecommendationX.21:"Interfacebetweendataterminalequipment(DTE)anddatacircuit-terminatingequipment(DCE)forsynchronousoperationonpublicdatanetworks".[63]CCITTRecommendationX.25:"Interfacebetweendataterminalequipment(DTE)anddatacircuit-terminatingequipment(DCE)forterminalsoperatinginthepacketmodeandconnectedtopublicdatanetworksbydedicatedcircuit".[64]CCITTRecommendationX.28:"DTE/DCEinterfaceforastart-stopmodedataterminalequipmentaccessingthepacketassembly/disassemblyfacility(PAD)inapublicdatanetworksituatedinthesamecountry".[65]CCITTRecommendationX.30:"SupportofX.21,X.21bisandX.20bisbaseddataterminalequipments(DTEs)byanintegratedservicesdigitalnetwork(ISDN)".[66]CCITTRecommendationX.31:"SupportofpacketmodeterminalequipmentbyanISDN".[67]CCITTRecommendationX.32:"Interfacebetweendataterminalequipment(DTE)anddatacircuit-terminatingequipment(DCE)forterminalsoperatinginthepacketmodeandaccessingapacketswitchedpublicdatanetworkthroughapublicswitchedtelephonenetworkoranintegratedservicesdigitalnetworkoracircuitswitchedpublicdatanetwork".[68]CCITTRecommendationX.75(1988):"Packet-switchedsignallingsystembetweenpublicnetworksprovidingdatatransmissionservices".[69]CCITTRecommendationX.121:"Internationalnumberingplanforpublicdatanetworks".[70]ETS300102-1:"IntegratedServicesDigitalNetwork(ISDN);User-networkinterfacelayer3Specificationsforbasiccallcontrol".[71]ETS300102-2:"IntegratedServicesDigitalNetwork(ISDN);User-networkinterfacelayer3Specificationsforbasiccallcontrol".[72]ISO/IEC10646:“UniversalMultiple-OctetCodedCharacterSet(UCS)”;UCS2,16bitcoding.[73]GSM02.56:"Digitalcellulartelecommunicationssystem(Phase2+);GSM-CTS;ServiceDescription;Stage1".[74]GSM03.56:"Digitalcellulartelecommunicationssystem(Phase2+);GSM-CTS;ServiceDescription;Stage2".[75]GSM03.52:"Digitalcellulartelecommunicationssystem(Phase2+);GSM-CTS;OveralldescriptionoftheCTSradiointerface;Stage2".[76]GSM03.20AnnexE:"Digitalcellulartelecommunicationssystem(Phase2+);GSM-CTS;Securityrelatednetworkfunctions;Stage2".SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)12(GSM04.57version7.0.3Release1998)[77]GSM04.56:"Digitalcellulartelecommunicationssystem(Phase2+);GSM-CTS;CTSradiointerfacelayer3specification;Stage3".3Definitions,abbreviationsandRandomvalues3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:initialisedFixedPart:aFixedPartwhichhavebeensuppliedwiththenecessarydatatoprovideCTSserviceontheCTSradiointerface.TheCTS-FPinitialisationprocedureisperformedattheFixedPartinstallationandcanbeperformedwhenevertheFixedParthavebeende-initialised.de-initialisedFixedPart:aFixedPartwhichdoesnotcontaintherequireddatatoofferCTSservice.Ade-initialisedFixedPartcannotofferanyservice.enrolledMobileStation:aMobileStationissaidtobeenrolledonaFixedPartifithasexchangedsomedatawiththisFixedPartenablingattachement(e.g.inordertoperformoutgoingcalls).de-enrolledMobileStation:aMobileStationthatisnomoreknownbytheFixedPart.CTSradiointerface:theradiointerfacebetweentheMobileStationandtheFixedPart.3.2AbbreviationsAbbreviationsusedinthepresentdocumentarelistedinGSM01.04.3.3RandomvaluesInanumberofplacesinthepresentdocument,itismentionedthatsomevaluemusttakea"random"value,inagivenrange,ormoregenerallywithsomestatisticaldistribution.Itisrequiredthatthereisalowprobabilitythattwoequipmentsinthesameconditions(includingthecaseoftwoequipmentsofthesametypefromthesamemanufacturer)willchooseorgetthesamevalue.4CTSsupervisingmanagementprocedures4.1GeneralCTSsupervisingmanagementproceduresincludethefunctionsrelatedtothemanagementoftheCTSsystembytheCTSoperator.Thesefunctionsarebasedon:-radiocontrol:thecontroloftheradioparametersusedontheCTSradiointerface-securitycontrol:includingsubscriptionchecking,CTSauthentication(theauthenticationoftheCTSsubscriberidentitybytheCTSServiceNodeandtheauthenticationofthesignatureissuedbytheServiceNodebytheFixedPart),GSMauthentication(authenticationoftheMobileStationbytheGSMoperatorthroughtheServiceNode)andadministrativedatamanagement.AlltheCTSsupervisingprocedurescanonlybeperformedifaCTS-FP/CTS-SNconnectionhasbeenestablishedbetweenthefixedpartandtheservicenode.IfnoCTS-FP/CTS-SNconnectioniscurrentlyestablished,theCTSsupervisinglayerhastoinitiatesuchestablishment.Asinmostcases,theCTS-SNhasnomeansofaddressingtheCTS-FP,itisassumedthattheCTSprocedurescanonlybestartedbythefixedpart.CTSproceduresinitiatedbytheServiceNodefollowaprocedurestartedbytheFixedPart.SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)13(GSM04.57version7.0.3Release1998)4.2CTS-SPMproceduresAllCTS-SPMprocedurescanonlybeinitiatedifaCTS-FP/CTS-SNconnectionisestablished.TheproceduresinitiatedbytheFixedPartare:-CTS-SPMinitialisationprocedure-CTS-SPMenrolmentprocedure-CTS-SPMde-enrolmentindicationprocedure-CTS-SPMoperationdataupdateprocedureTheproceduresinitiatedbytheServiceNode(followingaprocedurestartedbytheFixedPart)are:-CTS-SPMde-initialisationprocedure-CTS-SPMde-enrolmentprocedure-CTS-SPMFPauthenticationprocedure-CTS-SPMMSauthenticationprocedure-CTS-SPMsignaturemodesettingprocedure-CTS-SPMoperationdatainformprocedure4.3CTS-SPMstates4.3.1CTS-SPMstatesattheFixedPart1.IDLETheCTS-SPMstateisnotactive.2.WAITFORCTS-FP/CTS-SNCONNECTIONTheCTS-SPMhasrequestedtheestablishmentofaCTS-FP/CTS-SNconnection.3.CTS-SPMCONNECTIONACTIVEACTS-SPMconnectionisactive.OnlyoneCTS-SPMconnectioncanbeactiveatatime.4.CTS-SPMINITIALISATIONINITIATEDTheCTS-FPinitialisationprocedurehasbeenstartedattheFixedPart.5.CTS-SPMENROLMENTINITIATEDTheenrolmentprocedurehasbeenstartedattheFixedPart.6.CTS-SPMOPERATIONDATAUPDATEINITIATEDTheoperationdataupdateprocedurehasbeenstartedattheFixedPart.OnlyoneCTS-SPMconnectioncanbeactiveatatimeontheFixedPart.Nevertheless,anactiveCTS-SPMconnectiondoesnotprecludehavingactiveCTS-RRandCTS-MMactiveconnectionontheCTSradiointerface.4.3.2CTS-SPMstatesattheServiceNode1.CTS-SPMDE-INITIALISATIONINITIATEDTheCTS-FPde-initialisationprocedurehasbeenstartedbytheServiceNode.SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)14(GSM04.57version7.0.3Release1998)2.CTS-SPMDE-ENROLMENTINITIATEDThede-enrolmentprocedurehasbeenstartedbytheServiceNode.3.CTS-SPMINFORMATIONDATAINITIATEDTheinformationdatarequestprocedurehasbeenstartedbytheServiceNode.4.CTS-SPMFPAUTHENTICATIONINITIATEDTheFPauthenticationprocedurehasbeenstartedbytheServiceNode.5.CTS-SPMMSAUTHENTICATIONINITIATEDTheMSauthenticationprocedurehasbeenstartedbytheServiceNode.4.4CTS-SPMcommonprocedures4.4.1CTS-FPinitialisationprocedureThepurposeoftheCTS-FPinitialisationprocedureistoprovidethefixedpartwiththenecessarydatatoenableCTSservice.TheCTS-FPinitialisationprocedureisalwaysinitiatedbytheCTS-FP.4.4.1.1CTS-FPinitialisationinitiationThefixedpartinitiatestheCTS-FPinitialisationprocedurebysendingaCTS-SPMINITIALISATIONREQUESTmessagetotheCTS-SNandstartsthetimerT_init_FP.TheCTS-SPMINITIALISATIONREQUESTmessagespecifiesthefixedpartidentity,andtheclassmarkofthefixedpart.TheCTS-SPMINITIALISATIONREQUESTmessageissentontheCTS-FP/CTS-SNinterfacefollowingaCTS-FP/CTS-SNconnectioninitiatedbytheCTSfixedpart.4.4.1.2CTS-FPinitialisationcompletionIftheCTS-FPinitialisationcanbeperformed,theservicenodeshallsendaCTS-SPMINITIALISATIONACCEPTtothefixedpart.ThismessageincludesthenecessaryradioparameterstoenableoperationontheCTSinterface.Thesedataareassociatedtotimersthatarealsosentinthemessage.Thevalidityperiod(Tval)timerindicatesthemaximumdurationwherethosedatashouldbeused.Therecallperiod(Trecal)requiresthefixedparttocontacttheservicenodeonaregularbasis.Therecallperiodshouldenablethefixedparttoupdatethenecessarydatabeforethevalidityperiodexpires.IfTvalandTrecalarenotincludedintheCTS-SPMINITIALISATIONACCEPTmessage,theirvaluesareconsideredasbeinginfinite.Uponreceptionofthismessage,thefixedpartstopsthetimerT_init_FP.TheservicenodeshallsendaCTS-SPMINITIALISATIONREJECTiftherightsarenotverified.When,thefixedparthasreceivedandacceptedthenecessarydatainordertooperate,itsendsaCTS-SPMINITIALISATIONCOMPLETEtotheservicenode.4.4.2CTSenrolmentprocedureTheenrolmentofamobilestationontoafixedpartistheprocedurebywhichamobileandafixedpartaremadeknowntoeachotherinorderthattheCTSservicecanbeprovidedtothemobilestation.ThisprocedurecanbeperformedunderthecontroloftheCTSoperatordependingontheinformationdownloadedbytheoperatoratsubscriptionsetting.TheenrolmentprocedureperformedlocallybetweenthemobilestationandthefixedpartisdescribedinGSM04.56.IfrequiredbytheCTSoperator,theadditionalCTS-SPMenrolmentprocedureshouldbeperformed.SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)15(GSM04.57version7.0.3Release1998)TheCTS-SPMenrolmentprocedureisinitiatedbythefixedpartfollowingasuccessfulfirstpartlocalenrolmentprocedure.4.4.2.1CTS-SPMenrolmentinitiationThefixedpartinitiatestheCTS-SPMenrolmentprocedurebysendingthemessageCTS-SPMENROLMENTREQUESTmessageandstartingatimerT_enrol_FP.TheCTS-SPMENROLMENTREQUESTmessagespecifiesthefixedpartidentityandthemobileidentity.4.4.2.2CTSenrolmentcompletionIftheservicenodeagreestoenrolthemobileontothefixedpart,theservicenodesendsaCTS-SPMENROLMENTACCEPTmessage.Thismessagemayincludeanenrolmentvaliditytime;ifthisinformationelementisnotincludedinthemessage,theenrolmentvalidityperiodisconsideredasbeinginfinite.Similarly,theservicenodeshallsendaCTS-SPMENROLMENTREJECTiftherequestcannotbegrantedwiththerejectcause.UponreceptionofCTS-SPMENROLMENTACCEPTorCTS-SPMENROLMENTREJECTmessage,thefixedpartstopstimerT_enrol_FP.4.4.3CTSoperationdataupdateprocedureThepurposeoftheCTSoperationdataupdateprocedureistoprovidethefixedpartwiththenecessarydatatooperate.Beforeperformingtheoperationdataupdateprocedurethefixedparthastobeinitialised.ThisprocedureislaunchedbythefixedpartattheexpiryoftimerTrecal.ThedurationofTrecalisdefinedbytheservicenodeduringtheCTS-FPinitialisationprocedure.4.4.3.1CTSoperationdataupdateinitiationThefixedpartinitiatestheCTSoperationdataupdateprocedurebysendingthemessageCTS-SPMOPERATIONDATAREQUESTmessageandstartingtimerT_opdata_FP.4.4.3.2CTSoperationdataupdatecompletionTheservicenodesendstherequireddatainaCTS-SPMOPERATIONDATADELIVERmessage.UponreceptionofthismessagethefixedpartstopstimerT_opdata_FP.Thesentoperationdataareassociatedto2timers.Thevalidityperiod(Tval)timerindicatesthemaximumdurationwherethosedatashouldbeused.Therecallperiod(Trecal)requiresthefixedparttocontacttheservicenodeonaregularbasis.Therecallperiodshouldenablethefixedparttoupdatethenecessarydatabeforethevalidityperiodexpires.IfTvalandTrecalarenotincludedintheCTS-SPMOPERATIONDATADELIVERmessage,therevalueareconsideredasbeinginifinite.Ifthedataareacceptedbythefixedpart,thefixedpartshallsendaCTS-SPMOPERATIONDATAACCEPTtotheservicenodeandshalllaunchthetimersTvalandTrecalrelatedtothecorrespondingdata,iftheapplicationtimeTapplicinformationelementissetto"applyimmediately".Otherwise,thefixedpartstoresthenewoperationdataandstartstimerTapplic.AtTapplicexpiry,thefixedpartappliesthenewoperationdataandstartstheassociatedtimersTvalandTrecal.Similarly,thefixedpartshallsendCTS-SPMOPERATIONDATAREJECTifthedatacannotbeaccepted(i.e.thefixedpartdidnotsucceedinauthenticatingthesignatureissuedbytheservicenode).4.4.4CTSInformationdatarequestprocedureInsomecasestheservicenodemayrequiretobeinformedofthedatausedbyfixedpart.TheCTSInformationdataprocedurecanbeinitiatedduringanyprocedurestartedbythefixedpart(e.g.enrolmentprocedure,operationdataupdateprocedure).SIST EN 302 407 V7.0.3:2003

ETSIETSIEN302407V7.0.3(2000-08)16(GSM04.57version7.0.3Release1998)4.4.4.1CTSInformationdatarequestTheservicenodeinitiatestheCTSinformationdatarequestprocedurebysendingaCTS-SPMINFORMATIONDATAREQUESTmessagetothefixedpart.UponreceiptoftheCTS-SPMINFORMATIONDATAREQUESTmessagethefixedpartcollectstherequireddata.4.4.4.2CTSInformationdataresponseThefixedpartsendsaCTS-SPMINFORMATIONDATARESPONSEtotheservicenodeincludingthesedata.4.4.5CTS-FPde-initialisationprocedureThepurposeoftheCTS-FPde-initialisationprocedureistoallowtheCTSoperatortode-initialiseagivenfixedpart.Asthefixedparthasnomeanstoaddressagivenfixedpart,thisproceduresfollowsanotherprocedureinitiatedbythefixedpart.4.4.5.1CTS-FPde-initialisationinitiationTheservicenodeinitiatestheCTS-FPde-initialisationprocedurebysendingaCTS-SPMDE-INITIALISATIONREQUESTmessagetothefixedpartandstartsthetimerT_deinit_SN.UponreceiptoftheCTS-SPMDE-INITIALISATIONREQUESTmessagethefixedpartstopsoperation.4.4.5.2CTSde-initialisationcompletionAsaresponsetothemessagethefixedpartsendsaCTS-SPMDE-INITIALISATIONCOMPLETEmessage.Ifthefixedpartdoesnotacceptthede-initialisationcommand(i.e.thefixedpartdidnotsucceedinauthenticatingthesignatureissuedbytheservicenode)itsendsaCTS-SPMDE-INITIALISATIONREJECTmessagetotheservicenode.UponreceptionofeitherCTS-SPMDE-INITIALISATIONCOMPLETEorCTS-SPMDE-INITIALISATIONREJECT,theservicenodestopstimerT_deinit_SN.4.4.6CTS-SPMde-enrolmentprocedureTheCTS-SPMde-enrolmentofamobilefromafixedpartcanbeinitiatedeitherbythefixedpartorbytheservicenode.4.4.6.1CTS-SPMde-enrolmentinitiatedbythefixedpartIftheCTS-SPMde-enrolmentprocedureisinitiatedbythefixedpart,thefixedpartinformstheservicenodeofthemobilede-enrolmentifspecifiedbytheoperatoratsubscriptionsetting,bysendingaCTS-SPMDE-ENROLMENTINDICATION.Ifthede-enrolmentisinitiatedbytheservicenode,thefollowingprocedureapplies.4.4.6.2CTS-SPMde-enrolmentinitiatedbytheservicenodeTheservicenodeinitiatestheCTS-SPMde-enrolmentprocedurebysendingaCTS-SPMDE-ENROLMENTREQUESTcommandtothefixedpartincludingth
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