SIST EN 300 523 V4.10.1:2003
(Main)European digital cellular telecommunications system (Phase 2); Numbering, addressing and identification (GSM 03.03 version 4.10.1)
General Information
- Abstract
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- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
Overview
SIST EN 300 523 V4.10.1:2003 is the European standard that defines the principles, structures, and allocation rules for numbering, addressing, and identification within the European digital cellular telecommunications system (GSM - Phase 2). This standard, identical to EN 300 523 Version 4.10.1 and derived from ETSI’s GSM 03.03 specification, ensures interoperability and consistency across GSM networks in Europe by establishing common practices for subscriber identification, equipment identification, network area identification, and numbering plans.
This standard is crucial for operators, equipment manufacturers, and regulatory authorities involved in GSM network planning, operation, and service provision. Its unified guidelines support seamless mobile communication, international roaming, and reliable network management, adhering to globally recognized frameworks such as CCITT Recommendations E.164, E.212, E.213, and X.121.
Key Topics
Mobile Subscriber Identification
- Unique allocation of International Mobile Subscriber Identity (IMSI) for each GSM subscriber
- Use of Temporary Mobile Subscriber Identity (TMSI) and Local Mobile Station Identity (LMSI) for privacy and efficient data management
Numbering Plan for Mobile Stations
- Assignment of ISDN and PSTN compliant numbers (MSISDN) for subscribers
- Provision for X.121 data numbers supporting mobile data connectivity
- Structure and proper use of Mobile Station Roaming Number (MSRN)
Location and Equipment Identification
- Standardized format for Location Area Identification (LAI)
- Unique identification of base stations, cells, and regional subscription zones using codes like Cell Global Identification (CGI) and Regional Subscription Zone Identity (RSZI)
- International Mobile Equipment Identity (IMEI) and Software Version Number (IMEISV) standards for distinguishing devices
Inter-network and Routing Identifiers
- Methods for identifying Mobile Switching Centers (MSCs), Home Location Registers (HLR), and Visitor Location Registers (VLR)
- Use of global addressing for reliable routing and management
Colour Codes and Network Planning
- Allocation and usage of Base Station Identity Codes (BSIC) and Network Colour Codes (NCC) to prevent interference in overlapping GSM networks
Applications
The SIST EN 300 523 V4.10.1:2003 standard has wide-ranging applications in public and private GSM networks across Europe and beyond. Key uses include:
- Mobile Network Planning and Operation: Ensures unique subscriber and equipment identification, accurate call routing, and efficient traffic management
- International Roaming: Supports roaming capabilities by harmonizing subscriber identification and numbering across networks, complying with international recommendations
- Subscriber Privacy and Security: Introduces temporary and local identities (TMSI, LMSI) to protect against tracking and unauthorized access
- Interconnection with Public Networks: Aligns GSM numbering with ISDN, PSTN, and public data network frameworks to facilitate seamless inter-network services
- Device Authentication: Relies on IMEI/IMEISV standards for device validation, key for security and regulatory compliance
Related Standards
Understanding and implementing SIST EN 300 523 V4.10.1:2003 is best supported by familiarity with related GSM and telecommunication standards, including:
- ETSI GSM 03.08 (ETS 300 526): Organisation of subscriber data
- ETSI GSM 03.20 (ETS 300 534): Security-related network functions
- ETSI GSM 09.03 (ETS 300 600): Interworking between ISDN/PSTN and PLMN
- CCITT E.164: International telecommunication numbering plan
- CCITT E.212: Mobile station identification plan
- CCITT E.213: Numbering plan for land mobile stations
- CCITT X.121: International numbering for public data networks
Keywords: GSM standard, numbering, addressing, identification, mobile subscriber identity, IMSI, MSISDN, IMEI, network planning, European mobile communications, ETSI, mobile network standards, international roaming, cellular system identification
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Frequently Asked Questions
SIST EN 300 523 V4.10.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "European digital cellular telecommunications system (Phase 2); Numbering, addressing and identification (GSM 03.03 version 4.10.1)". This standard covers: Upgrade to Edition 3. CR from CN#7
Upgrade to Edition 3. CR from CN#7
SIST EN 300 523 V4.10.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 523 V4.10.1:2003 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.âWHYLOþHQMHEuropean digital cellular telecommunications system (Phase 2); Numbering, addressing and identification (GSM 03.03 version 4.10.1)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 523 Version 4.10.1SIST EN 300 523 V4.10.1:2003en01-december-2003SIST EN 300 523 V4.10.1:2003SLOVENSKI
STANDARD
ETSIEN300523V4.10.1(2000-11)EuropeanStandard(Telecommunicationsseries)Europeandigitalcellulartelecommunicationssystem(Phase2);Numbering,addressingandidentification(GSM03.03version4.10.1)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 523 V4.10.1:2003
ETSIETSIEN300523V4.10.1(2000-11)2(GSM03.03version4.10.1)ReferenceREN/TSGN-000303PR2KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)ETSI650RoutedesLuciolesF-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 300 523 V4.10.1:2003
ETSIETSIEN300523V4.10.1(2000-11)3(GSM03.03version4.10.1)ContentsIntellectualPropertyRights.4Foreword.41Introduction.51.1Scope.51.2References.51.3Definitonsandabbreviations.61.4Generalcommentstoreferences.61.5Conventionsonbitordering.62Identificationofmobilesubscribers.62.1General.62.2CompositionofIMSI.72.3Allocationprinciples.72.4StructureofTMSI.72.5StructureofLMSI.83Numberingplanformobilestations.83.1General.83.2Numberingplanrequirements.83.3StructureofmobilestationinternationalPSTN/ISDNnumber(MSISDN).93.4MobileStationRoamingNumber(MSRN)forPSTN/ISDNrouteing.93.5StructureofMobileStationInternationalDataNumber.103.6HandoverNumber.104Identificationoflocationareasandbasestations.104.1CompositionoftheLocationAreaIdentification(LAI).104.2Basestationidentification.104.2.1CellIdentity(CI)andCellGlobalIdentification(CGI).104.2.2BaseStationIdentifyCode(BSIC).114.3RegionalSubscriptionZoneIdentity(RSZI).114.4LocationNumber.125IdentificationofMSCsandlocationregisters.125.1Identificationforroutingpurpose.125.2IdentificationofHLRforHLRrestorationapplication.126Internationalmobilestationequipmentidentityandsoftwareversionnumber.126.1General.126.2CompositionofIMEIandIMEISV.136.2.1CompositionofIMEI.136.2.2CompositionofIMEISV.136.3Allocationprinciples.14AnnexA(informative):ColourCodes.15A.1UtilisationoftheBSIC.15A.2Guidanceforplanning.15A.3ExampleofPLMNColourCodes(NCCs)fortheEuropeanregion.16History.17SIST EN 300 523 V4.10.1:2003
ETSIETSIEN300523V4.10.1(2000-11)4(GSM03.03version4.10.1)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).Thepresentdocumentdefinestheplansandprinciplesofnumbering,addressingandidentificationwithintheEuropeandigitalcellulartelecommunicationssystem(Phase2).ThissecondeditionofETS300523correspondstoGSMTechnicalSpecification(GSM-TS)GSM03.03version4.9.0.ThespecificationfromwhichthepresentdocumenthasbeenderivedwasoriginallybasedonCEPTdocumentation,hencethepresentationofthepresentdocumentmaynotbeentirelyinaccordancewiththeETSI/PNErules.ReferenceismadewithinthepresentdocumenttoGSM-TSs(note).NOTE:TC-SMGhasproduceddocumentswhichgivethetechnicalspecificationsfortheimplementationoftheEuropeandigitalcellulartelecommunicationssystem.Historically,thesedocumentshavebeenidentifiedasGSMTechnicalSpecifications(GSM-TSs).TheseTSsmayhavesubsequentlybecomeI-ETSs(Phase1),orETSs(Phase2),whilstothersmaybecomeETSITechnicalReports(ETRs).GSM-TSsare,foreditorialreasons,stillreferredtoinGSMETSs.NationaltranspositiondatesDateofadoptionofthisEN:3November2000DateoflatestannouncementofthisEN(doa):28February2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31August2001DateofwithdrawalofanyconflictingNationalStandard(dow):31August2001SIST EN 300 523 V4.10.1:2003
ETSIETSIEN300523V4.10.1(2000-11)5(GSM03.03version4.10.1)1Introduction1.1ScopeThepresentdocumentdefines:a)anidentificationplanformobilesubscribersintheGSMsystem;b)principlesofassigningtelephoneandISDNnumberstomobilestationsinthecountryofregistrationofthemobilestation;c)principlesofassigningmobilestationroamingnumberstovisitingmobilestations;d)anidentificationplanforlocationareasandbasestationsintheGSMsystem;e)anidentificationplanforMSCsandlocationregistersintheGSMsystem;f)principlesofassigninginternationalmobileequipmentidentities;g)principlesofassigningzonesforregionalsubscription.1.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]GSM01.04(ETR100):"Europeandigitalcellulartelecommunicationssystem(Phase2);Abbreviationsandacronyms".[2]GSM03.08(ETS300526):"Europeandigitalcellulartelecommunicationssystem(Phase2);Organisationofsubscriberdata".[3]GSM03.20(ETS300534):"Europeandigitalcellulartelecommunicationssystem(Phase2);Securityrelatednetworkfunctions".[4]GSM03.70(ETS300541):"Europeandigitalcellulartelecommunicationssystem(Phase2);Routeingofcallsto/fromPublicDataNetworks(PDN)".[5]GSM04.08(ETS300557):"Europeandigitalcellulartelecommunicationssystem(Phase2);Mobileradiointerfacelayer3specification".[6]GSM09.03(ETS300600):"Europeandigitalcellulartelecommunicationssystem(Phase2);SignallingrequirementsoninterworkingbetweentheIntegratedServicesDigitalNetwork(ISDN)orPublicSwitchedTelephoneNetwork(PSTN)andthePublicLandMobileNetwork(PLMN)".[7]GSM11.11(ETS300608):"Europeandigitalcellulartelecommunicationssystem(Phase2);SpecificationoftheSubscriberIdentityModule-MobileEquipment(SIM-ME)interface".[8]CCITTRecommendationE.164:"NumberingplanfortheISDNera".[9]CCITTRecommendationE.212:"Identificationplanforlandmobilestations".SIST EN 300 523 V4.10.1:2003
ETSIETSIEN300523V4.10.1(2000-11)6(GSM03.03version4.10.1)[10]CCITTRecommendationE.213:"TelephoneandISDNnumberingplanforlandmobilestationsinpubliclandmobilenetworks(PLMN)".[11]CCITTRecommendationX.121:"Internationalnumberingplanforpublicdatanetworks".1.3DefinitonsandabbreviationsAbbreviationsusedinthisspecificationarelistedinGSM01.04.1.4GeneralcommentstoreferencesTheidentificationplanformobilesubscribersdefinedbelowisthatdefinedinCCITTRecommendationE.212.TheISDNnumberingplanformobilestationsandtheallocationofmobilestationroamingnumbersisthatdefinedinCCITTRecommendationE.213.OnlyoneoftheprinciplesforallocatingISDNnumbersisproposedforGSMPLMNs.OnlythemethodforallocatingmobilestationroamingnumberscontainedinthemaintextofCCITTRecommendationE.213isrecommendedforuseinGSMPLMNs.IfthereisanydifferencebetweenthisTechnicalSpecificationandtheCCITTRecommendations,theformershallprevail.Forterminology,seealsoCCITTRecommendationsE.164andX.121.1.5ConventionsonbitorderingThefollowingconventionsholdforthecodingofthedifferentidentitiesappearinginthisTechnicalSpecificationandinotherGSMTechnicalSpecificationsifnotindicatedotherwise:-thedifferentpartsofanidentityareshowninthefiguresinorderofsignificance;-themostsignificantpartofanidentityisontheleftpartofthefigureandtheleastsignificantontheright.WhenanidentityappearsinotherTechnicalSpecifications,thefollowingconventionsholdifnotindicatedotherwise:-digitsarenumberedbyorderofsignificance,withdigit1beingthemostsignificant;-bitsarenumberedbyorderofsignificance,withthelowestbitnumbercorrespondingtotheleastsignificantbit.2Identificationofmobilesubscribers2.1GeneralAuniqueInternationalMobileSubscriberIdentity(IMSI)shallbeallocatedtoeachmobilesubscriberintheGSMsystem.NOTE:ThisIMSIistheconceptreferredtobyCCITTas"InternationalMobileStationIdentity".InordertosupportthesubscriberidentityconfidentialityservicetheVLRsmayallocateauniqueTemporaryMobileSubscriberIdentity(TMSI)tovisitingmobilesubscribers.TheVLRmustbecapableofcorrelatingtheIMSIofanMSandthecurrentTMSIforthatMS.InordertospeedupthesearchforsubscriberdataintheVLRasupplementaryLocalMobileStationIdentity(LMSI)isdefined.TheLMSImaybeallocatedbytheVLRatlocationupdatingandissenttotheHLRtogetherwiththeIMSI.TheHLRmakesnouseofitbutincludesittogetherwiththeIMSIinallmessagessenttotheVLRconcerningthatMS.SIST EN 300 523 V4.10.1:2003
ETSIETSIEN300523V4.10.1(2000-11)7(GSM03.03version4.10.1)2.2CompositionofIMSIIMSIiscomposedasshowninfigure1.Notmorethan15digits<>3digits2digits<><>MCCMNCMSINNMSI<>IMSI<>Figure1:StructureofIMSIIMSIiscomposedofthreeparts:i)MobileCountryCode(MCC)consistingofthreedigits.TheMCCidentifiesuniquelythecountryofdomicileofthemobilesubscriber;ii)MobileNetworkCode(MNC)consistingoftwodigitsforGSMapplications.TheMNCidentifiesthehomeGSMPLMNofthemobilesubscriber;iii)MobileSubscriberIdentificationNumber(MSIN)identifyingthemobilesubscriberwithinaGSMPLMN.TheNationalMobileSubscriberIdentity(NMSI)consistsoftheMobileNetworkCodeandtheMobileSubscriberIdentificationNumber.2.3AllocationprinciplesIMSIshallconsistofnumericalcharacters(Othrough9)only.TheoverallnumberofdigitsinIMSIshallnotexceed15digits.TheallocationofMobileCountryCodes(MCCs)isadministeredbytheCCITTandisgiveninAnnexAtoCCITTBlueBookRecommendationE.212.TheallocationofNationalMobileSubscriberIdentity(NMSI)istheresponsibilityofeachadministration.IfmorethanoneGSMPLMNexistinacountry,auniqueMobileNetworkCodeshouldbeassignedtoeachofthem.TheallocationofIMSIsshouldbesuchthatnotmorethanthedigitsMCC+MNCoftheIMSIhavetobeanalysedinaforeignGSMPLMNforinformationtransfer.2.4StructureofTMSISincetheTMSIhasonlylocalsignificance(i.e.withintheVLRandtheareacontrolledbytheVLR),thestructureandcodingofitcanbechosenbyagreementbetweenoperatorandmanufacturerinordertomeetlocalneeds.TheTMSIconsistsof4octets.Itcanbecodedusingafullhexadecimalrepresentation.InordertoavoiddoubleallocationofTMSIsafterarestartofaVLR,somepartoftheTMSImayberelatedtothetimewhenitwasallocatedorcontainabitfieldwhichischangedwhentheVLRhasrecoveredfromtherestart.TheTMSIshallonlybeallocatedincipheredform.SeealsoTechnicalSpecificationGSM03.20.ThenewtworkshallnotallocateaTMSIwithall32bitsequalto1(thisisbecausetheTMSImustbestoredintheSIM,andtheSIMuses4octetswithallbitsequalto1forindicatingthatnovalidTMSIisavailable.SIST EN 300 523 V4.10.1:2003
ETSIETSIEN300523V4.10.1(2000-11)8(GSM03
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