SIST EN 300 924 V7.0.1:2003
(Main)Digital cellular telecommunications system (Phase 2+) (GSM); enhanced Multi-Level Precedence and Pre-emption service (eMLPP) - Stage 1 (GSM 02.67 version 7.0.1 Release 1998)
- Abstract
Upgrade to Release 1998
- 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
- Mandate
- UIC
SIST EN 300 924 V7.0.1:2003 is the SIST adoption of ETSI EN 300 924 Version 7.0.1 for GSM Phase 2+. It specifies the Stage 1 service description of the enhanced Multi-Level Precedence and Pre-emption service (eMLPP), including priority handling, pre-emption, and the way the service interacts with other GSM supplementary services.
What does SIST EN 300 924 V7.0.1:2003 specify?
SIST EN 300 924 V7.0.1:2003 specifies the user-service view of eMLPP in a digital cellular telecommunications system. It is a Stage 1 description, so it focuses on service behavior and user/network actions rather than interface details.
The scope says eMLPP is a network operator option for a domain that may be the whole network or part of it. It applies to shared network resources in that domain and to mobile stations subscribed to the service. The document also states that it does not deal with Man-Machine Interface (MMI) requirements and points readers to the relevant GSM specifications for those details.
The document is organized into these main parts:
- Scope
- References
- Definitions and abbreviations
- Description
- Normal operation with successful outcome
- Exceptional procedures or unsuccessful outcome
- Alternate procedures
- Interaction with other supplementary services
- Interworking considerations
- Annex A: status of Technical Specification GSM 02.67
What are the key requirements of SIST EN 300 924 V7.0.1:2003?
SIST EN 300 924 V7.0.1:2003 defines how precedence and pre-emption work for calls. Precedence gives a call a priority level, while pre-emption lets a higher priority call seize resources from a lower priority call. In practice, this means the network may let urgent traffic connect ahead of other traffic and may clear lower priority calls if needed.
Priority levels and subscription
The standard defines seven priority levels: A and B for network internal use, and 0 to 4 for subscription. Levels A and B are local to one MSC and are mapped to level 0 outside that area. The service provider sets a maximum authorized precedence level at subscription time, and the user can select any level up to that maximum for each call.
How the network applies priority
For mobile originated calls, the calling subscriber’s subscription and chosen level determine priority. If no eMLPP subscription exists, the network uses a default priority level. For mobile terminated calls, priority depends on the calling party, and interworking with ISDN MLPP is needed when the call comes from an MLPP network. The same principles apply to mobile-to-mobile calls, including roaming cases.
Call setup and pre-emption behavior
The document groups call setup into fast, normal, and slow classes and ties those classes to the service configuration. It also allows high priority calls to be set up with special treatment, and in some cases without authentication at call setup or confidentiality on the radio link. If congestion occurs, the network may pre-empt lower priority calls, including during handover, and it must indicate the pre-emption to the affected user.
Subscriber control and registration
The standard allows the default priority level for mobile originated calls to be registered in the network. The service provider or the subscriber, through an appropriate control procedure, may register that default. If the requested level is above the subscriber’s entitlement, the network rejects the request with an indication.
Interaction with other services
Clause 8 defines how eMLPP interacts with services such as CFU, CFB, CFNRy, CW, Call Hold, MPTY, CUG, AoC, BAOC, BOIC, BOIC-exHC, BAIC, BIC-Roam, and ECT. These interactions matter because they determine whether priority can override other call restrictions, whether a call can be forwarded, and whether a waiting or held call can be replaced by a higher priority call.
What terms does SIST EN 300 924 V7.0.1:2003 define?
- enhanced Multi-Level Precedence and Pre-emption (eMLPP) - The supplementary service that assigns call priority and can replace lower priority traffic when needed.
- precedence - The priority associated with a call.
- pre-emption - The action of seizing resources from a lower priority call, or disconnecting it, to accept a higher priority call.
- calling subscriber - The services subscriber who invokes eMLPP for a call.
- network operator - The entity that provides the network resources used to run eMLPP.
- service provider - The entity that offers eMLPP for subscription and may also be the network operator.
- servicesubscriber - A mobile subscriber who subscribes to eMLPP.
Who uses SIST EN 300 924 V7.0.1:2003?
SIST EN 300 924 V7.0.1:2003 is used by GSM mobile network operators, service providers, and system engineers who configure priority handling in the network. It is also relevant to quality managers and buyers evaluating whether a mobile platform or service offer supports priority subscription, call pre-emption, and interworking behavior.
It helps with service definition, network planning, subscriber provisioning, and the design of call handling policies for urgent or privileged traffic. It is especially relevant where a network must support roaming, interworking with ISDN MLPP, and service interactions with barring, forwarding, and call waiting features.
What changed in SIST EN 300 924 V7.0.1:2003 from the previous edition?
Annex A records the document’s progression to Release 1998 in version 7.0.0 and a publication update to version 7.0.1. The title and scope identify this edition as the GSM 02.67 Version 7.0.1 Release 1998 form.
Which standards are used with SIST EN 300 924 V7.0.1:2003?
- GSM 01.04 - Provides abbreviations and acronyms used alongside the document.
- GSM 02.04 - Defines the general rules for supplementary services and gives the applicability basis for eMLPP.
- GSM 02.24 - Covers Charge Advice Information, referenced for charging behavior.
- GSM 02.40 - Defines procedures for call progress indications, used for congestion indication.
- GSM 02.68 - Gives the Stage 1 description of Voice Group Call Service (VGCS), including exceptional procedures for long establishment times.
- GSM 02.69 - Gives the Stage 1 description of Voice Broadcast Service (VBS), including exceptional procedures for long establishment times.
- GSM 03.05 - Sets technical performance objectives used when discussing call setup behavior.
- GSM 03.68 - Stage 2 for VGCS.
- GSM 03.69 - Stage 2 for VBS.
- ITU-T Recommendation I.255.3 - Provides the MLPP Stage 1 basis for interworking.
What does the SIST EN 300 924 V7.0.1:2003 document contain?
Clause 4 describes the service model, including the priority levels, call handling scenarios, setup classes, and an example service composition table. Clause 5 covers the normal procedures for provision, withdrawal, registration, erasure, invocation, interrogation, and charging-related records.
Clause 8 contains the interaction matrix with other GSM supplementary services, which is important for implementation and service policy decisions. Clause 9 explains interworking with other networks through MLPP behavior. Annex A gives the version history of GSM 02.67 and shows how the specification developed into this edition.
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Frequently Asked Questions
SIST EN 300 924 V7.0.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2+) (GSM); enhanced Multi-Level Precedence and Pre-emption service (eMLPP) - Stage 1 (GSM 02.67 version 7.0.1 Release 1998)". This standard covers: Upgrade to Release 1998
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SIST EN 300 924 V7.0.1:2003 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 300 924 V7.0.1:2003 is associated with the following European legislation: Standardization Mandates: UIC. 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 300 924 V7.0.1:2003 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.Digital cellular telecommunications system (Phase 2+) (GSM); enhanced Multi-Level Precedence and Pre-emption service (eMLPP) - Stage 1 (GSM 02.67 version 7.0.1 Release 1998)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 924 Version 7.0.1SIST EN 300 924 V7.0.1:2003en01-december-2003SIST EN 300 924 V7.0.1:2003SLOVENSKI
STANDARD
ETSIEN300924V7.0.1(2000-01)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);enhancedMulti-LevelPrecedenceandPre-emptionservice(eMLPP)-Stage1(GSM02.67version7.0.1Release1998)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 924 V7.0.1:2003
ETSIETSIEN300924V7.0.1(2000-01)2(GSM02.67version7.0.1Release1998)ReferenceREN/SMG-010267Q7KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)ETSIPostaladdressF-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.©EuropeanTelecommunicationsStandardsInstitute1999.Allrightsreserved.SIST EN 300 924 V7.0.1:2003
ETSIETSIEN300924V7.0.1(2000-01)3(GSM02.67version7.0.1Release1998)ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.53Definitionsandabbreviations.63.1Definitions.63.2Abbreviations.64Description.64.1Applicabilitytotelecommunicationservices.95Normaloperationwithsuccessfuloutcome.95.1Provision.95.2Withdrawal.95.3Registration.95.4Erasure.105.5Networkrelatedserviceconfiguration.105.6Activation.105.7Deactivation.105.8Invocation.105.9Normaloperation.105.10Interrogation.115.11Chargingrequirements.116Exceptionalproceduresorunsuccessfuloutcome.117Alternateprocedures.118Interactionwithothersupplementaryservices.118.1CallingLineIdentificationPresentation(CLIP).118.2CallingLineIdentificationRestriction(CLIR).118.3ConnectedLineIdentificationPresentation(COLP).118.4ConnectedLineIdentificationRestriction(COLR).118.5CallForwardingUnconditional(CFU).118.6CallForwardingonmobilesubscriberbusy(CFB).128.7CallForwardingonNoReply(CFNRy).128.8CallForwardingonmobilesubscriberNotReachable(CFNRc).128.9CallWaiting(CW).128.10CallHold.128.11Multi-partyService(MPTY).128.12ClosedUserGroup(CUG).128.13AdviceofCharge(AoC).128.14BarringofOutgoingCalls(BAOC).128.15BarringofOutgoingInternationalCalls(BOIC).138.16BarringofOutgoingInternationalCallsexceptthosetotheHomePLMNcountry(BOIC-exHC).138.17BarringofAllIncomingCalls(BAIC).138.18BarringofIncomingCallswhenRoamingoutsidethehomePLMNcountry(BIC-Roam).138.19CallTransfer(ECT).139Interworkingconsiderations.13AnnexA(informative):StatusofTechnicalSpecificationGSM02.67.14History.15SIST EN 300 924 V7.0.1:2003
ETSIETSIEN300924V7.0.1(2000-01)4(GSM02.67version7.0.1Release1998)IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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)hasbeenproducedbytheSpecialMobileGroup(SMG).Thepresentdocumentspecifiesthestage1descriptionoftheenhancedMulti-LevelPrecedenceandPre-emptionService(eMLPP)withinthedigitalcellulartelecommunicationssystem.ThecontentsofthepresentdocumentmaybesubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillthenbere-submittedforformalapprovalproceduresbyETSIwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version7.x.ywhere:7GSMPhase2+Release1998;xtheseconddigitisincrementedforchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.;ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthisEN:31December1999DateoflatestannouncementofthisEN(doa):31March2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30September2000DateofwithdrawalofanyconflictingNationalStandard(dow):30September2000SIST EN 300 924 V7.0.1:2003
ETSIETSIEN300924V7.0.1(2000-01)5(GSM02.67version7.0.1Release1998)1ScopeThepresentdocumentspecifiesthestage1descriptionoftheenhancedMulti-LevelPrecedenceandPre-emptionService(eMLPP).Thisservicehastwoparts:precedenceandpre-emption.Precedenceinvolvesassigningapriorityleveltoacallincombinationwithfastcallset-up.Pre-emptioninvolvestheseizingofresources,whichareinusebyacallofalowerprecedence,byahigherlevelprecedencecallintheabsenceofidleresources.Pre-emptioncanalsoinvolvethedisconnectionofanon-goingcalloflowerprecedencetoacceptanincomingcallofhigherprecedence.TheeMLPPserviceisprovidedasanetworkoperator'soptiontoadomainofanetwork.Thedomaincanbethewholenetworkorasubsetofthenetwork.TheeMLPPserviceappliestoallnetworkresourcesinthedomainthatisincommonuse.TheeMLPPserviceisapplicabletoallmobilestationsinthedomainwithallorsomemobilestationshavingarespectivesubscriptionassigningprecedenceaccordingtotheeMLPPservice.eMLPPisasupplementaryserviceandshallbeprovidedtoasubscriberforallbasicservicessubscribedtoandforwhicheMLPPapplies.NOTE:ItisunderstudywhethernormalGSMPhase2MobileStationswillbeabletobeusedforthisservice.Theserviceisdescribedfromtheservicesubscriber'sanduser'spointofview,inparticular:-theprocedurefornormaloperationwithsuccessfuloutcome;-theactiontobetakeninexceptionalcircumstances;-theinteractionwithotherGSMservicesandfeatures.ThepresentdocumentdoesnotdealwiththeMan-MachineInterface(MMI)requirements,butmakesreferencetotheappropriateGlobalSystemforMobilecommunications(GSM)specifications.Thepresentdocumentisapplicabletoteleservices1xand6xandtoallbearerservicesusedinamobilenetworkaccordingtothedigitalcellulartelecommunicationssystemGSMifeMLPPisprovided.Anyinteractionwithotherservicesand/ornetworksnotdealtwithinclauses8or9areoutsidethescopeofthepresentdocument.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]GSM02.04:"Digitalcellulartelecommunicationssystem(Phase2+);Generalonsupplementaryservices".[3]GSM02.24:"Digitalcellulartelecommunicationssystem(Phase2+);DescriptionofChargeAdviceInformation(CAI)".[4]GSM02.40:"Digitalcellulartelecommunicationssystem(Phase2+);Proceduresforcallprogressindications".SIST EN 300 924 V7.0.1:2003
ETSIETSIEN300924V7.0.1(2000-01)6(GSM02.67version7.0.1Release1998)[5]GSM02.68:"Digitalcellulartelecommunicationssystem(Phase2+);VoiceGroupCallService(VGCS)-Stage1".[6]GSM02.69:"Digitalcellulartelecommunicationssystem(Phase2+);VoiceBroadcastService(VBS)-Stage1".[7]GSM03.05:"Digitalcellulartelecommunicationssystem(Phase2+);Technicalperformanceobjectives".[8]GSM03.68:"Digitalcellulartelecommunicationssystem(Phase2+);VoiceGroupCallService(VGCS)-Stage2".[9]GSM03.69:"Digitalcellulartelecommunicationssystem(Phase2+);VoiceBroadcastService(VBS)-Stage2".[10]ITU-TRecommendationI.255.3:"ISDNMulti-LevelPrecedenceandPre-emption(MLPP)stage1".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingdefinitionsapply:callingsubscriber:ServicesubscriberwhichinvokestheeMLPPservice.networkoperator:EntitywhichprovidesthenetworkoperatingelementsandresourcesfortheexecutionoftheenhancedMulti-LevelPrecedenceandPre-emptionservice(eMLPP).precedence:Precedenceisthepriorityassociatedwithacall.serviceprovider:EntitywhichofferstheeMLPPserviceforsubscription.Thenetworkoperatormaybetheserviceprovider.servicesubscriber:MobilesubscriberwhichsubscribestotheeMLPPservice.Inprinciple,ifanetworkprovideseMLPPservice,allusersareabletosubscribetothisservice.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply,inadditiontothoselistedinGSM01.04:eMLPPenhancedMulti-LevelPrecedenceandPre-emption4Descriptiona)TheenhancedMulti-LevelPrecedenceandPre-emptionservice(eMLPP)providesdifferentlevelsofprecedenceforcallset-upandforcallcontinuityincaseofhandover.eMLPPshallbeapplicablealsoincaseofroamingifsupportedbytherelatednetworks.Themaximumprecedencelevelofasubscriberissetatthesubscriptiontimebytheserviceprovider,basedonthesubscriber'sneed.Thesubscribermayselectaprecedenceleveluptoandincludingthemaximumprecedencelevelsubscribedto,onapercallbasis.Thereareatmaximum7priorityle
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