SIST EN 301 344 V7.3.1:2005
(Main)Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Service description; Stage 2 (GSM 03.60 version 7.3.1 Release 1998)
- Abstract
Release 1998 UIC aspects of GSM data services
- Status
- Published
- Publication Date
- 31-Jan-2005
- Technical Committee
- RES - Radio equipment and systems
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Feb-2005
- Due Date
- 01-Feb-2005
- Completion Date
- 01-Feb-2005
- Mandate
- BC-T-330
SIST EN 301 344 V7.3.1:2005 is the Slovenian adoption of ETSI EN 301 344 Version 7.3.1 for General Packet Radio Service (GPRS) in GSM Phase 2+. It specifies the Stage 2 service description: the GPRS architecture, control procedures, and interworking needed to support packet data services over GSM. It is written for mobile network operators, equipment suppliers, and system engineers who need to design, implement, test, or operate GPRS-capable networks.
What does SIST EN 301 344 V7.3.1:2005 specify?
SIST EN 301 344 V7.3.1:2005 defines the Stage 2 service description for GPRS on GSM. It covers the first phase of GPRS and does not cover the lower layers of the GPRS GSM radio interface; GSM03.64 provides the overall radio interface description.
The document is organized into clauses on scope, references, definitions and abbreviations, main concepts, architecture and transmission, mobility management, packet routeing and transfer, storage, identities, operational aspects, and interactions with other GSM services.
| Annex | What it covers |
|---|---|
| Annex A | APN and GGSN selection rules |
| Annex B | Internet-Hosted Octet Stream Service |
| Annex C | Data transmission routeing examples |
| Annex D | Figures |
| Annex E | Tables |
| Annex F | Document history |
What are the key requirements of SIST EN 301 344 V7.3.1:2005?
SIST EN 301 344 V7.3.1:2005 sets out how a GPRS network is built, how subscribers attach and move, how packet data is routed, and how the service interacts with SMS and circuit-switched GSM functions.
Architecture and interfaces
Clause 5 defines the logical GPRS architecture around the Serving GPRS Support Node (SGSN) and Gateway GPRS Support Node (GGSN). It also names the key interfaces and reference points such as Um, Gb, Gn, Gp, Gi, Gs, Gr, Gd, Gf and Gc. In practice, this tells implementers where mobility, routing, charging and interworking functions sit in the network.
Network access and subscriber control
Clause 5.3 separates access control, routeing and transfer, mobility management, logical link management, radio resource management, and network management functions. It includes registration, authentication, admission control, message screening, packet terminal adaptation and charging data collection. This matters because operators must decide which services a subscriber can use and what traffic and usage data to record.
Mobility and paging
Clause 6 defines the GPRS IDLE, STANDBY and READY states, with timers and procedures for attach, detach, routeing area update, and paging. It also covers the optional coordination between SGSN and MSC/VLR through the Gs interface, including combined RA/LA updating and circuit-switched paging via the SGSN. In practice, this governs when a device can send or receive data and how the network finds it.
Packet session control and interworking
Clause 9 covers packet data protocol state, PDP context activation, modification and deactivation, including static and dynamic PDP addresses. It also describes encapsulation and tunnelling between the MS and GGSN, and points to Annex A for APN and GGSN selection. For implementers, this is the core of how a mobile subscriber reaches an external packet data network.
Security and anonymous access
Clause 6.8 covers authentication, user identity confidentiality, ciphering of user data and GMM/SM signalling, and identity checks. The document also allows anonymous access with limited destination addresses and without IMSI or IMEI use. This is important for security design and for services that need controlled anonymity.
Charging and service quality
Clause 15 covers charging and quality of service profile attributes, including precedence, delay, reliability, and throughput classes. Charging data collection is identified earlier in the functional model, and charging gateway functionality is referenced through GSM12.15. In practice, these clauses support billing design and service differentiation.
What terms does SIST EN 301 344 V7.3.1:2005 define?
Serving GPRS Support Node (SGSN): The node that serves the mobile station, keeps track of location, and performs mobility, security and access-control functions.
Gateway GPRS Support Node (GGSN): The node that connects the GPRS network to external packet data networks and holds routeing information for attached users.
Packet TMSI (P-TMSI): A temporary identity used by a GPRS subscriber for network access instead of repeated use of the permanent identity.
Routeing Area (RA): A mobility area used by GPRS for updates and paging; the mobile station reports when it moves into a new RA.
PDP context: The session context used for packet data transfer, including the subscriber’s address and routeing information.
Quality of Service (QoS): The service profile that controls priority, delay, reliability and throughput expectations for a packet service.
Anonymous Access (AA): A GPRS access mode in which IMSI or IMEI is not used, with restricted destination addressing and no authentication or ciphering.
Who uses SIST EN 301 344 V7.3.1:2005?
SIST EN 301 344 V7.3.1:2005 is used by GSM and GPRS network operators, core network engineers, radio access planners, and vendors of SGSN, GGSN, BSS and SMS infrastructure. It is also used by testers and integration teams checking attach, paging, PDP context handling, roaming, charging and interworking with external packet data networks. Procurement and quality teams use it to verify that GPRS equipment and network designs match the required service model.
Which standards are used with SIST EN 301 344 V7.3.1:2005?
The document relies on GSM02.60 for the Stage 1 service description, GSM03.64 for the GPRS radio interface overview, and GSM04.60, GSM04.64 and GSM04.65 for RLC/MAC, LLC and SNDCP. It also uses GSM08.16, GSM08.18, GSM09.02, GSM09.16, GSM09.18, GSM09.60, GSM09.61, GSM11.11 and GSM12.15 for network service, BSSGP, MAP, Gs interface, GTP, interworking, SIM-ME, and charging. For packet and Internet protocols it references RFC 768, RFC 791, RFC 793, RFC 1034 and RFC 1661, and it also names X.25, X.28, X.29, X.75 and related CCITT recommendations for packet data and service modelling.
What does the SIST EN 301 344 V7.3.1:2005 document contain?
The document contains architecture diagrams, signalling-plane and transmission-plane models, and procedure descriptions for attach, detach, paging, location update, PDP context handling, and subscriber information exchange. It includes tables that map functions to the logical architecture, define network operation modes, and support QoS and routing descriptions. Annex C gives routeing examples for home and roaming subscribers, including MS-to-MS and external PDN cases. Annex B describes Internet-Hosted Octet Stream Service setup, termination, flow control and security, while Annex A gives the rules for APN and GGSN selection.
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Frequently Asked Questions
SIST EN 301 344 V7.3.1:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Service description; Stage 2 (GSM 03.60 version 7.3.1 Release 1998)". This standard covers: Release 1998 UIC aspects of GSM data services
Release 1998 UIC aspects of GSM data services
SIST EN 301 344 V7.3.1:2005 is classified under the following ICS (International Classification for Standards) categories: 33.070.01 - Mobile services in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 344 V7.3.1:2005 is associated with the following European legislation: Standardization Mandates: BC-T-330. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 301 344 V7.3.1:2005 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); General Packet Radio Service (GPRS); Service description; Stage 2 (GSM 03.60 version 7.3.1 Release 1998)33.070.01Mobilni servisi na splošnoMobile services in generalICS:Ta slovenski standard je istoveten z:EN 301 344 Version 7.3.1SIST EN 301 344 V7.3.1:2005en01-februar-2005SIST EN 301 344 V7.3.1:2005SLOVENSKI
STANDARD
ETSIEN301344V7.3.1(2000-07)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);GeneralPacketRadioService(GPRS);Servicedescription;Stage2(GSM03.60version7.3.1Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)2(GSM03.60version7.3.1Release1998)ReferenceREN/SMG-030360Q7R1KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM),GPRSETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°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:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)3(GSM03.60version7.3.1Release1998)ContentsIntellectualPropertyRights.8Foreword.81Scope.92References.93Definitions,abbreviationsandSymbols.113.1Definitions.113.2Abbreviations.113.3Symbols.134MainConcepts.135GeneralGPRSArchitectureandTransmissionMechanism.145.1GPRSAccessInterfacesandReferencePoints.145.2NetworkInterworking.155.2.1PSPDNInterworking.155.2.2Internet(IP)Interworking.155.3High-LevelFunctionsRequiredforGPRS.155.3.1NetworkAccessControlFunctions.155.3.1.1RegistrationFunction.165.3.1.2AuthenticationandAuthorisationFunction.165.3.1.3AdmissionControlFunction.165.3.1.4MessageScreeningFunction.165.3.1.5PacketTerminalAdaptationFunction.165.3.1.6ChargingDataCollectionFunction.165.3.2PacketRouteingandTransferFunctions.165.3.2.1RelayFunction.165.3.2.2RouteingFunction.175.3.2.3AddressTranslationandMappingFunction.175.3.2.4EncapsulationFunction.175.3.2.5TunnellingFunction.175.3.2.6CompressionFunction.175.3.2.7CipheringFunction.175.3.2.8DomainNameServerFunction.175.3.3MobilityManagementFunctions.175.3.4LogicalLinkManagementFunctions.175.3.4.1LogicalLinkEstablishmentFunction.185.3.4.2LogicalLinkMaintenanceFunctions.185.3.4.3LogicalLinkReleaseFunction.185.3.5RadioResourceManagementFunctions.185.3.5.1UmManagementFunction.185.3.5.2CellSelectionFunction.185.3.5.3Um-tranxFunction.185.3.5.4PathManagementFunction.185.3.6NetworkManagementFunctions.185.4LogicalArchitecture.195.4.1GPRSSupportNodes.195.4.2GPRSBackboneNetworks.205.4.3HLR.205.4.4SMS-GMSCandSMS-IWMSC.205.4.5GPRSMobileStations.215.4.6ChargingGatewayFunctionality.215.5AssignmentofFunctionstoGeneralLogicalArchitecture.215.6TransmissionandSignallingPlanes.225.6.1TransmissionPlane.225.6.2SignallingPlane.23SIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)4(GSM03.60version7.3.1Release1998)5.6.2.1MS-SGSN.235.6.2.2SGSN-HLR.235.6.2.3SGSN-MSC/VLR.245.6.2.4SGSN-EIR.245.6.2.5SGSN-SMS-GMSCorSMS-IWMSC.245.6.2.6GSN-GSN.255.6.2.7GGSN-HLR.255.6.2.7.1MAP-basedGGSN-HLRSignalling.255.6.2.7.2GTPandMAP-basedGGSN-HLRSignalling.266MobilityManagementFunctionality.266.1DefinitionofMobilityManagementStates.266.1.1IDLE(GPRS)State.266.1.2STANDBYState.266.1.3READYState.276.2IDLE/STANDBY/READYStateFunctionality.286.2.1StateTransitionsandFunctions.286.2.2READYTimerFunction.306.2.3PeriodicRAUpdateTimerFunction.306.2.4MobileReachableTimerFunction.306.3InteractionsBetweenSGSNandMSC/VLR.316.3.1AdministrationoftheSGSN-MSC/VLRAssociation.316.3.2CombinedRA/LAUpdating.326.3.3CSPaging.326.3.3.1PagingCo-ordination.336.3.4Non-GPRSAlert.346.3.5MSInformationProcedure.346.3.6MMInformationProcedure.356.4MMProcedures.356.5AttachFunction.366.6DetachFunction.396.6.1MS-InitiatedDetachProcedure.406.6.2Network-InitiatedDetachProcedure.406.6.2.1SGSN-InitiatedDetachProcedure.406.6.2.2HLR-InitiatedDetachProcedure.416.7PurgeFunction.416.8SecurityFunction.426.8.1AuthenticationofSubscriber.426.8.2UserIdentityConfidentiality.436.8.2.1P-TMSISignature.436.8.2.2P-TMSIReallocationProcedure.436.8.3UserDataandGMM/SMSignallingConfidentiality.436.8.3.1ScopeofCiphering.436.8.3.2GPRSCipheringAlgorithm.446.8.4IdentityCheckProcedures.446.9LocationManagementFunction.446.9.1LocationManagementProcedures.456.9.1.1CellUpdateProcedure.456.9.1.2RouteingAreaUpdateProcedure.456.9.1.2.1IntraSGSNRouteingAreaUpdate.466.9.1.2.2InterSGSNRouteingAreaUpdate.476.9.1.3CombinedRA/LAUpdateProcedure.496.9.1.3.1CombinedIntraSGSNRA/LAUpdate.496.9.1.3.2CombinedInterSGSNRA/LAUpdate.516.9.1.4PeriodicRAandLAUpdates.546.10SubscriberManagementFunction.546.10.1SubscriberManagementProcedures.546.10.1.1InsertSubscriberDataProcedure.546.10.1.2DeleteSubscriberDataProcedure.556.11ClassmarkHandling.556.11.1RadioAccessClassmark.55SIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)5(GSM03.60version7.3.1Release1998)6.11.2SGSNClassmark.567NetworkManagementFunctionality.568RadioResourceFunctionality.568.1CellSelectionandReselection.568.2DiscontinuousReception.578.3RadioResourceManagement.578.3.1LayerFunctions.578.3.2ModelofOperation.578.3.2.1DynamicAllocationofRadioResources.578.4PagingforGPRSDownlinkTransfer.579PacketRouteingandTransferFunctionality.589.1DefinitionofPacketDataProtocolStates.589.1.1INACTIVEState.589.1.2ACTIVEState.599.2PDPContextActivation,Modification,andDeactivationFunctions.599.2.1StaticandDynamicPDPAddresses.609.2.2ActivationProcedures.609.2.2.1PDPContextActivationProcedure.609.2.2.2Network-RequestedPDPContextActivationProcedure.619.2.2.2.1SuccessfulNetwork-RequestedPDPContextActivationProcedure.629.2.2.2.2UnsuccessfulNetwork-RequestedPDPContextActivationProcedure.639.2.2.3AnonymousAccessPDPContextActivationProcedure.649.2.3ModificationProcedures.659.2.3.1PDPContextModificationProcedure.669.2.4DeactivationProcedures.669.2.4.1PDPContextDeactivationInitiatedbyMSProcedure.669.2.4.2PDPContextDeactivationInitiatedbySGSNProcedure.679.2.4.3PDPContextDeactivationInitiatedbyGGSNProcedure.679.2.4.4AnonymousAccessPDPContextDeactivationInitiatedbyMSProcedure.689.2.4.5AnonymousAccessPDPContextDeactivationInitiatedbyGGSNProcedure.689.3PacketRouteingandTransferFunction.699.4RelayFunction.699.5PacketTerminalAdaptationFunction.699.6EncapsulationFunction.709.6.1EncapsulationBetweenSGSNandGGSN.709.6.2EncapsulationBetweenSGSNandMS.7010MessageScreeningFunctionality.7011CompatibilityIssues.7012Transmission.7112.1TransmissionModes.7112.1.1GTPTransmissionModes.7112.1.2LLCTransmissionModes.7112.1.3RLCTransmissionModes.7112.2LogicalLinkControlFunctionality.7112.2.1Addressing.7112.2.2Services.7112.2.3Functions.7212.3SubnetworkDependentConvergenceFunctionality.7212.3.1Services.7312.3.2Subfunctions.7312.4OctetStreamProtocolFunctionality.7412.4.1PADFunction.7512.4.1.1PacketAssembler.7512.4.1.1.1BufferFull.7512.4.1.1.2InactivityTimerExpiry.7512.4.1.1.3MaximumBufferDelayTimerExpiry.7512.4.1.1.4SpecialCharacter.75SIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)6(GSM03.60version7.3.1Release1998)12.4.1.1.5ChangeinFlowControlState.7512.4.1.1.6ImmediateForwardingRequest.7612.4.1.2PacketDisassembler.7612.4.2QualityofService.7612.5Point-to-PointProtocolFunctionality.7612.5.1TransmissionPlaneforPDPTypePPP.7612.5.2Functions.7612.6GbInterface.7712.6.1PhysicalLayerProtocol.7712.6.2LinkLayerProtocols.7712.6.3BSSGPRSProtocol.7712.6.3.1Inter-dependencyoftheBSSGPandLLCFunctions.7812.6.3.2BSSGPAddressing.7812.6.3.3BVCIContextsinBSSandinSGSN.7912.6.3.4FlowControlBetweenSGSNandBSSovertheGbInterface.7912.7AbisInterface.7912.7.1RemotePacketControlUnit.8013InformationStorage.8013.1HLR.8113.2SGSN.8213.3GGSN.8313.4MS.8413.5MSC/VLR.8513.6RecoveryandRestorationProcedures.8513.6.1HLRFailure.8513.6.2SGSNFailure.8613.6.3GGSNFailure.8613.6.4VLRFailure.8614Identities.8714.1IMSI.8714.2PacketTMSI.8714.3NSAPIandTLLI.8714.4PDPAddress.8814.5TID.8814.6RouteingAreaIdentity.8814.7CellIdentity.8914.8GSNAddresses.8914.8.1GSNAddress.8914.8.2GSNNumber.8914.9AccessPointName.8915OperationalAspects.8915.1Charging.8915.1.1ChargingInformation.9015.1.2ReverseCharging.9015.2QualityofServiceProfile.9015.2.1PrecedenceClass.9115.2.2DelayClass.9115.2.3ReliabilityClass.9115.2.4ThroughputClasses.9215.2.4.1PeakThroughputClass.9215.2.4.2MeanThroughputClass.9216InteractionswithOtherGSMServices.9316.1Point-to-pointShortMessageService.9316.1.1Mobile-terminatedSMSTransfer.9416.1.1.1UnsuccessfulMobile-terminatedSMSTransfer.9416.1.2Mobile-originatedSMSTransfer.9616.2Circuit-switchedServices.9616.2.1SuspensionofGPRSServices.96SIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)7(GSM03.60version7.3.1Release1998)16.2.2GPRSandDedicatedModePriorityHandling.9716.3SupplementaryServices.98AnnexA(normative):APNandGGSNSelection.99A.1Definitions.99A.2APNSelectionRules.99AnnexB(normative):Internet-HostedOctetStreamService.106B.1DirectionofConnectionSetup.106B.2Bearer.106B.3SetupData.106B.3.1ProtocolType–TCPorUDP.106B.3.2HostName.107B.3.3PortNumber.107B.3.4PADParameters.107B.4FlowControl.107B.5BreakSignal.107B.6ConnectionEstablishmentProcedure.107B.6.1FullyUser-SpecifiedEstablishment.108B.6.2DefaultInternetEndpointParametersEstablishment.108B.7ConnectionTermination.108B.7.1MS-initiatedTCPIHOSSConnectionTermination.108B.7.2MS-initiatedUDPIHOSSConnectionTermination.108B.7.3InternetHostInitiatedTCPIHOSSConnectionTermination.109B.8QualityofService.109B.9Security.109B.9.1AuthenticationoftheGPRSUser.109B.9.2MaliciousReconfigurationoftheGPRSDevice.109B.10Maintenance.109AnnexC(informative):DataTransmissionRouteingExamples.110C.1DataRouteingforanMSinitsHomePLMNtoandfromanExternalPDN.110C.2DataRouteingforaRoamingMStoandfromanExternalPDN.111C.3MS-to-MSDataRouteingviatheSameGGSN.111C.4MS-to-MSDataRouteingviaDifferentGGSNs.112AnnexD(informative):Figures.113AnnexE(informative):Tables.115AnnexF(informative):Documenthistory.116History.117SIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)8(GSM03.60version7.3.1Release1998)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)hasbeenproducedbytheSpecialMobileGroup(SMG).Thepresentdocumentdefinesthestage-2servicedescriptionforaGeneralPacketRadioService(GPRS)withinthedigitalcellulartelecommunicationssystem(Phase2+).ThecontentsofthepresentdocumentaresubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillthenbere-submittedforOAPwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version7.x.ywhere:7indicatesGSMRelease1998ofPhase2+.xtheseconddigitisincrementedforchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthisEN:16June2000DateoflatestannouncementofthisEN(doa):30September2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31March2001DateofwithdrawalofanyconflictingNationalStandard(dow):31March2001SIST EN 301 344 V7.3.1:2005
ETSIETSIEN301344V7.3.1(2000-07)9(GSM03.60version7.3.1Release1998)1ScopeThepresentdocumentdefinesthestage-2servicedescriptionforaGeneralPacketRadioService(GPRS)onGSM.CCITTI.130[28]describesathree-stagemethodforcharacterisationoftelecommunicationservices,andCCITTQ.65[30]definesstage2ofthemethod.Thisversionofthestage-2servicedescriptioncoversthefirstphaseofGPRS,anddoesnotmeetalltheservicesandfunctionalitydescribedinGSM02.60[3].ThepresentdocumentdoesnotcoverthelowerlayersoftheGPRSGSMradiointerface.GSM03.64[9]containsanoveralldescriptionoftheradiointerface.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.• ForthisRelease1998document,referencestoGSMdocumentsareforRelease1998versions(version7.x.y).[1]GSM01.04:"Digitalcellulartelecommunicationssystem(Phase2+);Abbreviationsandacronyms".[2]GSM01.61:"Digitalcellulartelecommunicationssystem(Phase2+);GPRScipheringalgorithmrequirements".[3]GSM02.60:"Digitalcellulartelecommunicationssystem(Phase2+);GeneralPacketRadioService(GPRS);Servicedescription;Stage1".[4]GSM03.03:"Digitalcellulartelecommunicationssystem(Phase2+);Numbering,addressingandidentification".[5]GSM03.07:
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