SIST EN 300 392-12-8 V1.1.1:2003
(Main)Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 8: Area Selection (AS)
General Information
- Abstract
To define the Stage 3 requirements for TETRA SS Area Selection
- 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
- BC-T-344
Overview
SIST EN 300 392-12-8 V1.1.1:2003 outlines the Stage 3 requirements for the Supplementary Service of Area Selection (SS-AS) in Terrestrial Trunked Radio (TETRA) voice plus data (V+D) systems. This standard defines the essential signalling protocols and operational procedures that allow network components and user equipment to support and manage area-based call restrictions. Implemented within the TETRA framework, Area Selection is a mechanism to control the geographic locations where users participating in group or individual calls may be located, enhancing security and resource efficiency for critical communications.
Key Topics
- Stage 3 Specification: Focuses on the implementation-level protocols at the air interface and inter-system interfaces necessary to support area selection in TETRA networks.
- Area Selection Functionality: Enables the caller to restrict the eligible area for call participants. This can be enforced for the duration of individual or group calls, ensuring users remain within predefined zones.
- Protocol Primitives and Procedures:
- ASSIGN, DEFINE, INTERROGATE, and INVOKE requests/indications, which manage the setup, definition, retrieval, and enforcement of defined areas.
- PDUs and parameter definitions necessary for signaling between network entities.
- Entities Involved:
- Mobile Stations (MS) and Line Stations (LS)
- Switching and Management Infrastructure (SwMI)
- Group and individual home SwMI
- Participating SwMIs for group calls
- Definition Types:
- Geographical area definitions (such as circles or rectangles on a map)
- Site-based definitions (list of base stations)
- Protocol Interactions: Interworking with other TETRA supplementary services and external networks is considered, ensuring robust integration.
Applications
The Area Selection (AS) supplementary service defined in this standard is especially valuable in professional mobile radio (PMR) environments that demand tight operational or security controls over user location. Key application areas include:
- Public Safety and Emergency Services: Police, fire, and medical teams can ensure that only units within a targeted incident area are part of a sensitive communication session.
- Utilities and Transport: Restricts communication participation to staff within a defined operational zone, such as substations or specific rail segments.
- Industrial Security: Supports geographic enforcement to prevent information leakage or unauthorized participation in critical operations.
- Resource Optimization: Limits network resource consumption by excluding out-of-area users from group calls.
- Operational Flexibility: Area definitions can be dynamically updated, interrogated, or inhibited as operational requirements change in real time.
Network operators and system integrators utilize the protocols defined here to implement interoperable and standardized TETRA solutions, ensuring end-to-end compliance and optimized network operation.
Related Standards
SIST EN 300 392-12-8 V1.1.1:2003 is part of a comprehensive set of TETRA standards. For holistic system design and implementation, related standards include:
- EN 300 392-2: TETRA Air Interface (AI) - core specification for radio communication.
- EN 300 392-3-1, -3-2, -3-3, -3-5: TETRA Interworking at Inter-System Interface (ISI) and Additional Network Features (ANF)
- EN 300 392-9: General requirements for supplementary services
- EN 300 392-10-8: Supplementary services stage 1; Area Selection (Stage 1 requirements)
- EN 300 392-11-8: Supplementary services stage 2; Area Selection (Functional and information flow requirements)
- ITU-T Recommendation I.130: Service characterization and network capabilities
Organizations using TETRA solutions should reference these related documents to ensure full compatibility and optimal configuration of both supplementary services and core communications infrastructure.
Keywords: TETRA, Area Selection, supplementary service, SS-AS, public safety radio, group call, protocol, telecommunications standard, stage 3, network security, professional mobile radio.
Get Certified
Connect with accredited certification bodies for this standard
ANCE
Mexican certification and testing association.
Intertek Slovenia
Intertek testing, inspection, and certification services in Slovenia.
LNE (Laboratoire National de Métrologie et d'Essais)
French national laboratory for metrology and testing.
Sponsored listings
Frequently Asked Questions
SIST EN 300 392-12-8 V1.1.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 8: Area Selection (AS)". This standard covers: To define the Stage 3 requirements for TETRA SS Area Selection
To define the Stage 3 requirements for TETRA SS Area Selection
SIST EN 300 392-12-8 V1.1.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.10 - Terrestrial Trunked Radio (TETRA). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 392-12-8 V1.1.1:2003 is associated with the following European legislation: Standardization Mandates: BC-T-344. 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 300 392-12-8 V1.1.1:2003 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.Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 8: Area Selection (AS)33.070.10Prizemni snopovni radio (TETRA)Terrestrial Trunked Radio (TETRA)ICS:Ta slovenski standard je istoveten z:EN 300 392-12-8 Version 1.1.1SIST EN 300 392-12-8 V1.1.1:2003en01-december-2003SIST EN 300 392-12-8 V1.1.1:2003SLOVENSKI
STANDARD
ETSIEN300392-12-8V1.1.1(2000-12)EuropeanStandard(Telecommunicationsseries)TerrestrialTrunkedradio(TETRA);VoiceplusData(V+D);Part12:Supplementaryservicesstage3;Sub-part8:AreaSelection(AS)SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)2ReferenceDEN/TETRA-03A-12-08KeywordsTETRA,V+D,supplementaryservice,areaselect,data,radio,speech,stage3ETSI650RoutedesLuciolesF-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 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)3ContentsIntellectualPropertyRights.7Foreword.71Scope.82References.83Definitionsandabbreviations.93.1Definitions.93.2Abbreviations.94SS-ASservicedescription.104.1General.104.2SS-ASservicesofferedovertheTNSS-SAP.104.2.1ASSIGNindication.114.2.2DEFINErequest.114.2.3DEFINEACKindication.124.2.4INTERROGATErequest.124.2.5INTERROGATEACKindication.124.2.6INVOKErequest.134.2.7INVOCATIONFAILUREindication.134.3Parameterdescription.145SignallingprotocolforthesupportofSS-AS.165.1SS-ASoperationalrequirements.165.1.1ServeduserMS/LS.165.1.2ServeduserSwMI.165.1.3CalleduserhomeSwMI.175.1.4GrouphomeSwMI.175.1.5GroupcontrollingSwMI.175.1.6ParticipatingSwMI.185.1.7NewparticipatingSwMI.185.1.8TerminatingSwMI.185.1.9AuthorizeduserMS/LS.185.1.10AuthorizeduserSwMI.185.1.11Serveduser/grouphomeSwMI.185.2Codingrequirements.195.2.1SS-ASPDUs.195.2.1.1ASSIGNPDU.195.2.1.2ASSIGNACKPDU.195.2.1.3DEFINEPDU.205.2.1.4DEFINEACKPDU.215.2.1.5INTERROGATEPDU.215.2.1.6INTERROGATEACKPDU.225.2.1.7INVOCATIONFAILUREPDU.225.2.1.8INVOCATIONQUALIFIERPDU.235.2.1.9INVOKEPDU.235.2.1.10INVOKECONFIRMPDU.245.2.1.11INVOKEEXTPDU.245.2.2TETRAPDUinformationelementandsub-elementcoding.245.2.2.1Acknowledgementrequested.245.2.2.2Addresstypeofserveduser/group.255.2.2.3Areaselection.255.2.2.4Assignmentrequested.265.2.2.5Assignmentresult.265.2.2.6Definitionfailurecause.265.2.2.7Definitionresult.265.2.2.8Interrogationfailurecause.27SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)45.2.2.9Interrogationresult.275.2.2.10Invocationfailurecause.275.2.2.11Multipleselectedareanumbers/multipleservedusers/groupsmaskandmultipleselectedareanumbers/multipleservedusers/groupsmaskpresent.275.2.2.12Rangetypeforselectedareanumber(s)/forserveduser(s)/group(s).285.2.2.13Selectedareadefinition.285.2.2.13.1Generalonareadefinition.285.2.2.13.2Areatype.295.2.2.13.3Areabycircle.295.2.2.13.4Areabyline.305.2.2.13.5Areabyrectangular.305.2.2.13.6Areabysitelist.305.2.2.13.7AreadefinedbySwMI.305.2.2.13.8Latitudedirection.305.2.2.13.9Longitudedirection.315.2.2.13.10Registeredcell.315.2.2.13.11Registeredlocationarea.315.2.2.14Selectedareadefinitionlengthindicator.315.2.2.15Selectedareanumber.325.2.2.16Serveduser/groupextension.325.2.2.17Serveduser/groupshortnumberaddress.325.2.2.18Serveduser/groupSSI.325.2.2.19SS-ASinhibitionrequested/supported.325.2.2.20ASPDUtype.335.2.3CodingrequirementsovertheISI.345.2.3.1SS-ASprofile.345.2.3.2SS-ASprofileACKinformationelement.345.2.3.3SS-ASprofileinformationelements.355.2.3.3.1GeneralonSS-ASprofileinformationelements.355.2.3.3.2Void.355.2.3.3.3Resultofprofileexchange.355.2.3.3.4Supportedareadefinitions.355.2.3.4AdditionalcodingrequirementsovertheISI.355.3SS-ASstatedefinition.365.3.1StatesattheserveduserMS/LS.365.3.1.1Statesforinvocationandoperation.365.3.1.2Stateforassignment.365.3.2StatesattheserveduserSwMI.365.3.2.1Statesforinvocationandoperation.365.3.2.2Stateforassignment.375.3.3StatesatthecalleduserhomeSwMI.375.3.4StatesatthegrouphomeSwMI.375.3.4.1Statesforoperation.375.3.4.2Statefordefinitionorinterrogation.375.3.5StatesatthegroupcontrollingSwMI.375.3.6StatesataparticipatingSwMI.375.3.7StatesatanewparticipatingSwMI.385.3.8StatesattheterminatingSwMI.385.3.9StateattheauthorizeduserMS/LS.385.3.10StateattheauthorizeduserSwMI.385.3.11StateattheserveduserhomeSwMI.385.4SS-ASsignallingprocedures.385.4.1ActionsattheserveduserMS/LS.385.4.1.1Normalprocedures.385.4.1.1.1Invocationandoperation.385.4.1.1.2Assignment.395.4.1.2Exceptionalprocedures.405.4.1.2.1Invocation.405.4.1.2.2Assignment.415.4.2ActionsattheserveduserSwMI.415.4.2.1Normalprocedures.415.4.2.1.1Operation.41SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)55.4.2.1.1.1Invocationhandling.415.4.2.1.1.2Individualcall.425.4.2.1.1.3Groupcall.425.4.2.1.1.4Followup.435.4.2.1.2Assignment.445.4.2.2Exceptionalprocedures.445.4.2.2.1Operation.445.4.2.2.1.1Localdetectionofnon-subscription.445.4.2.2.1.2Localdetectionofmissingdefinition.445.4.2.2.1.3ReceptionofROSEReturnErrorAPDU(overtheISI).455.4.2.2.1.3.1Individualcall.455.4.2.2.1.3.2Groupcall.455.4.2.2.1.4ReceptionoftheINVOCATIONFAILUREPDU(overtheISI).465.4.2.2.1.4.1Individualcall.465.4.2.2.1.4.2Groupcall.465.4.2.2.1.6Additionalsendingofnotification.475.4.2.2.2Assignment.475.4.3ActionsatthecalleduserhomeSwMI.475.4.3.1Normaloperationprocedures.485.4.3.2Exceptionaloperationprocedures.485.4.4ActionsatthegrouphomeSwMI.505.4.4.1Normalprocedures.505.4.4.1.1Operation.505.4.4.1.2Definitionorinterrogation.515.4.4.2Exceptionalprocedures.515.4.4.2.1Operation.515.4.4.2.2Definitionorinterrogation.525.4.5ActionsatthegroupcontrollingSwMI.525.4.5.1Normaloperationprocedures.525.4.5.2Exceptionaloperationprocedures.555.4.6ActionsataparticipatingSwMI.565.4.6.1Normaloperationprocedures.575.4.6.2Exceptionaloperationprocedures.575.4.7ActionsatanewparticipatingSwMI.575.4.7.1Normaloperationprocedures.575.4.7.2Exceptionaloperationprocedures.575.4.8ActionsattheterminatingSwMI.575.4.8.1Normaloperationprocedures.585.4.8.2Exceptionaloperationprocedures.585.4.9ActionsatauthorizeduserMS/LS.595.4.9.1Normalprocedures.595.4.9.2Exceptionalprocedures.595.4.10ActionsattheauthorizeduserSwMI.595.4.11Actionsattheserveduser/grouphomeSwMI.605.4.11.1Normalprocedures.605.4.11.1.1Casewheretheserveduser/grouphomeSwMIcoincideswiththeauthorizeduserSwMI.605.4.11.1.2Casewheretheserveduser/grouphomeSwMIisdifferentfromtheauthorizeduserSwMI.605.4.11.2Exceptionalprocedures.605.5SS-ASimpactofinterworkingwithothernetworks.615.5.1SS-ASimpactofinterworkingwithotherTETRAnetworks.615.5.2SS-ASimpactofinterworkingwithexternalnetworks.615.6ProtocolinteractionsbetweenSS-ASandothersupplementaryservicesandANFs.615.6.1InteractionswithISIMobilityManagement(ANF-ISIMM).615.6.1.1Migrationofindividualsubscriber.615.6.1.2SS-ASdefinitionupdatesforindividualsubscriber.625.6.1.3Groupattachment.625.6.1.4Grouplinking.635.6.2InteractionswithISIShortDataService(ANF-ISISD).635.7SS-ASparametervalues(timers).63SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)6AnnexA(informative):Examplesofmessagesequences.64AnnexB(informative):SpecificationandDescriptionLanguage(SDL)representationofprocedures.65B.1SDLrepresentationofSS-ASattheserveduserMS/LS.65B.2SDLrepresentationofSS-ASattheserveduserSwMI.70B.3SDLrepresentationofSS-ASatthecalleduserhomeSwMI.81B.4SDLrepresentationofSS-ASatthegrouphomeSwMI.84B.5SDLrepresentationofSS-ASatthegroupcontrollingSwMI.90B.6SDLrepresentationofSS-ASataparticipatingSwMI.90B.7SDLrepresentationofSS-ASatanewparticipatingSwMI.95B.8SDLrepresentationofSS-ASattheterminatingSwMI.99B.9SDLrepresentationofSS-ASattheauthorizeduserMS/LS.100B.10SDLrepresentationofSS-ASattheauthorizeduserSwMI.102B.11SDLrepresentationofSS-ASattheserveduser/grouphomeSwMI.104History.106SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)7IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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)hasbeenproducedbyETSIProjectTerrestrialTrunkedRadio(TETRA).ThepresentdocumenthadbeensubmittedtoPublicEnquiryasETS300392-12-8.DuringtheprocessingforVoteitwasconvertedintoanEN.Thepresentdocumentisamulti-partstandardandwillconsistofthefollowingparts:Part1:"Generalnetworkdesign";Part2:"AirInterface(AI)";Part3:"InterworkingattheInter-SystemInterface(ISI)";Part4:"Gatewaysbasicoperation";Part5:"PeripheralEquipmentInterface(PEI)";Part6:"LineconnectedStation(LS)";Part7:"Security";Part9:"Generalrequirementsforsupplementaryservices";Part10:"Supplementaryservicesstage1";Part11:"Supplementaryservicesstage2";Part12:"Supplementaryservicesstage3";Part13:"SDLModeloftheAirInterface(AI)";Part14:"ProtocolImplementationConformanceStatement(PICS)proformaspecification".NationaltranspositiondatesDateofadoptionofthisEN:1December2000DateoflatestannouncementofthisEN(doa):31March2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30September2001DateofwithdrawalofanyconflictingNationalStandard(dow):30September2001SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)81ScopeThepresentdocumentdefinesthestage3descriptionoftheSupplementaryServiceAreaSelection(SS-AS)fortheTerrestrialTrunkedRadio(TETRA).SS-ASenablesthecallingusertoestablishacallinrestrictingtheareawheretheparticipatingusersinagroupcallortheconnecteduserinanindividualcallmaybelocated.ManMachineinterfaceandChargingclausesareoutsidethescopeofthepresentdocument.SupplementaryservicespecificationsareproducedinthreestagesaccordingtothemethoddescribedinITU-TRecommendationI.130[1].Thestage1descriptionspecifiestheservicefromtheuser'spointofview(seeETS300392-10-11[8]).Thestage2descriptionidentifiesthefunctionalcapabilitiesandtheinformationflowsneededtosupporttheserviceasspecifiedinitsstage1description(seeETS300392-11-11[9]).Thepresentstage3descriptionspecifiestheprotocolsattheairinterfaceandatthevariousInter-SystemInterfaces(ISI)tosupportSS-AS.NOTE:AccordingtoITU-TRecommendationI.130[1],thestage3descriptionofanytelecommunicationserviceaddressesthenetworkimplementationaspects.Consequentlyitcomprisestwosteps:thespecificationsofallprotocolsatthevariousreferencepointsinvolvedinanyoftheserviceprocedures(notablytheserviceoperation)arethefirststepofthestage3description,andthespecificationsofthefunctionsofthecorrespondingnetworkentitiesareitssecondstep.Thelatterhavenotbeenprovidedsincetheycanbederivedfromthespecificationofthefunctionalentityactionsinthestage2description.ThepresentdocumentisapplicabletoVoiceplusDataindividualcallsorgroupcalls;morespecificallytothefollowingentities:-theMS/LSofthecallinguserinanindividualcalloragroupcall;-theoriginatingSwitchingandManagementInfrastructure(SwMI)inanindividualcalloragroupcall;-thegrouphomeSwMIandtheparticipatingSwMIsforagroupcall;-theterminatingSwMIforanindividualcall;and-optionally,thehomeSwMIofthegrouporoftheMS/LSsinvolved,formanagingthesupplementaryservice.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ITU-TRecommendationI.130(1993):"MethodforthecharacterizationoftelecommunicationservicessupportedbyanISDNandnetworkcapabilitiesofanISDN".[2]ETSIEN300392-2:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part2:AirInterface(AI)".[3]ETSIETS300392-3-1:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part3:InterworkingattheInter-SystemInterface(ISI);Sub-part1:Generaldesign".[4]ETSIEN300392-3-2:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part3:InterworkingattheInter-SystemInterface(ISI);Sub-part2:AdditionalNetworkFeatureIndividualCall(ANF-ISIIC)".SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)9[5]ETSIETS300392-3-3:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part3:InterworkingattheInter-SystemInterface(ISI);Sub-part3:AdditionalNetworkFeatureGroupCall(ANF-ISIGC)".[6]ETSIETS300392-3-5:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part3:InterworkingattheInter-SystemInterface(ISI);Sub-part5:AdditionalNetworkFeatureforMobilityManagement(ANF-ISIMM)".[7]ETSIEN300392-9:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part9:Generalrequirementsforsupplementaryservices".[8]ETSIETS300392-10-8:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part10:Supplementaryservicesstage1;Sub-part8:Areaselection".[9]ETSIEN300392-11-8:"TerrestrialTrunkedRadio(TETRA);VoiceplusData(V+D);Part11:Supplementaryservicesstage2;Sub-part8:AreaSelection(AS)".[10]ITU-TRecommendationZ.100:"CCITTSpecificationandDescriptionLanguage(SDL)".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsofEN300392-9[7]shallapplywiththefollowingmodification:authorizeduser:identifieduserwhoisallowedtodefineselectedareasandtointerrogatetheinfrastructureabouttheexistingdefinedselectedareasserveduser:userforwhomthesupplementaryhasbeensubscribed.ThatusercanthussuccessfullyinvokethesupplementaryserviceserveduserSwMI:SwMIwheretheserveduseriscurrentlyregistered.Inacall(whetheranindividualoragroupcall),theserveduserSwMIistheoriginatingSwMIgeographicaldefinition:definitionofanSS-ASareagivenbylimitsonamap.Inpractice,duetothedifficultytodescribemathematicallyanyareashape,onlycirclesandrectangularareasarespecified.Seesubclause5.2.2.12sitedefinition:definitionofanSS-ASareagivenasalistofbasestationswithinoneormoreSwMI.Suchlistmaybeimplicit,e.g.areadefinedasawholehomeSwMIwithnovisitedSwMI(i.e.noparticipatingSwMIinthecaseofagroupcall,andnootherterminatingSwMIthansuchhomeSwMIinthecaseofanindividualcall).Seesubclause5.2.2.12SS-ASoperationinhibition:callinguserorimportantusersareincludedintothecalleveninthecasethoseareoutsidetheselectedarea3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ANF-ISIGCAdditionalNetworkFeature-Inter-SystemInterfaceGroupCallANF-ISIICAdditionalNetworkFeature-Inter-SystemInterfaceIndividualCallANF-ISIMMAdditionalNetworkFeature-Inter-SystemInterfaceMobilityManagementANF-ISISSAdditionalNetworkFeature-Inter-SystemInterfaceSupplementaryServiceASAreaSelectionGTSIGroupTETRASubscriberIdentityISIInter-SystemInterfaceITSIIndividualTETRASubscriberIdentityLSLineStationMSMobileStationSIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)10PDUProtocolDataUnitROSERemoteOperationServiceElementSDLSpecificationDescriptionLanguageSSSupplementaryServiceNOTE:TheabbreviationSSisonlyusedwhenreferringtoaspecificsupplementaryservice.SSIShortSubscriberIdentitySwMISwitchingandManagementInfrastructure4SS-ASservicedescription4.1GeneralSS-ASenablesthecallingusertoestablishacallinrestrictingtheareawheretheparticipatingusersinagroupcallortheconnecteduserinanindividualcallmaybelocated.ThecallinguserinvokesSS-ASinusingaselectedareanumberwhenhesetsupthecall.Thatnumbercorrespondstoaselectedareathedefinitionofwhichisknownbytheinfrastructure(i.e.someSwMIonthecallpath).Afteragroupcallhasbeenestablished,asanoption,SS-ASmaycontinuetooperatetorestricttheareawheretheparticipatingusersmayroamormigrate,therebybarringthecallrestorationattemptforthatuser.ThisclausedescribestheSS-ASservicesofferedbytheCircuitModeControlEntity(CMCE)attheSupplementaryServicesserviceaccesspoint(TNSS-SAP)oftheTETRAvoiceplusdatalayer3serviceboundaryinaTETRAMobileStation(MS)orTETRALineStation(LS).TheSS-ASserviceaccesspointisusedinconformancetestingasanormativeboundaryinMSsandLSs.NOTE:AsthepresentdocumentonlydealswiththeSS-ASalltheserviceprimitiveshasbeenshownwithoutaTNSS-AS-prefixe.g.theTNSS-AS-DEFINErequestisshortenedintoaDEFINErequest.4.2SS-ASservicesofferedovertheTNSS-SAPNOTE:Asman-machineinterfaceoruserapplicationsareoutsidethescopeofthepresentdocumentserviceprimitivesareusedtodefineinformationexchangetoandfromthestandardizedpartoftheMS/LS.Thoseprimitivesmaybeonlyindirectlyaccessible.TheSS-ASserviceprimitivesattheserveduserMS/LSTNSS-SAPshallbe:-ASSIGNrequest;-INVOKErequest;-INVOCATIONFAILUREindication.TheSS-ASserviceprimitivesattheauthorizeduserMS/LSTNSS-SAPshallbe:-DEFINErequest;-DEFINEACKindication;-INTERROGATErequest;-INTERROGATEACKindication.TheservedusershouldhavethepossibilitytousetheINTERROGATEprimitivesmentionedabove,limitedtoitsownITSIandtoGTSIsofgroupsofwhichheisamember.SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)114.2.1ASSIGNindicationTheASSIGNindicationprimitiveshallbesentovertheserveduserTNSS-SAPbytheMS/LSCMCEtotheserveduserapplicationtoinformitaboutthedefinitionofaselectedareaagainstthecorrespondingselectedareanumberforeitheranITSIallocatedtothatMS/LSortheGTSIofagroupofwhichtheserveduserisamember.Whensupported(sinceitisoptional),theassignmentprocessshallsupportoneselectedareainarequest.Optionallyitmaysupportalistofselectedareasinasinglerequest.TheASSIGNindicationprimitiveshallcontaintheSS-ASparameterslistedintable1.Table1:ParametersfortheprimitiveASSIGNindicationParameterIndicationSelectedareanumber(s)M(seenote1)Selectedareadefinition(s)M(seenote2)Acknowledgementrequestedfromserveduser(s)ONOTE1:Itisoptionaltosupportmorethanoneselectedareanumber.NOTE2:Thereshallbeasmanyselectedareadefinitionsasthereareselectedareanumbers.Whenanacknowledgementisrequestedfromtheserveduser,itshallbesentbytheserveduserMS/LSwithoutinvolvingtheuserapplication(i.e.directly);hencethereisnoASSIGNACKrequestprimitive.4.2.2DEFINErequestTheDEFINErequestprimitiveshallbesentovertheauthorizeduserTNSS-SAPbytheauthorizeduserapplicationtotheMS/LSCMCEtodefineaselectedareaagainstthecorrespondingselectedareanumberforanindividualsubscriberorforagroup.Whensupported(sinceitisoptional),thedefinitionprocessshallsupportoneselectedareaforoneTETRAidentityinarequest.ThatTETRAidentitymaybeeitherthatofanindividualsubscriberorthatofagroup.Optionallythedefinitionprocessmaysupportalistofselectedareasinasinglerequest.Stilloptionallyitmaysupportalistand/orrangeofidentities.TheDEFINErequestprimitiveshallcontaintheSS-ASparameterslistedintable2.Table2:ParametersfortheprimitiveDEFINErequestParameterIndicationAccesspriorityODefinedTETRAidentity/identitiesM(seenote1)Selectedareanumber(s)M(seenote2)Selectedareadefinition(s)M(seenote3)Assignmenttoserveduser(s)requestedOAcknowledgementrequestedfromserveduser(s)C(seenote4)NOTE1:ItisoptionaltosupportmorethanonedefinedTETRAidentity.Thesameselectedareanumberdefinitionsgivenbythefollowingparameters(intheprimitive)shallthenapplytothecorrespondingindividualsubscribersand/orgroups.Inadditionthoseindividualsubscribersand/orgroupsshallthenhavethesamehomeSwMI.NOTE2:Itisoptionaltosupportmorethanoneselectedareanumber.NOTE3:Thereshallbeasmanyselectedareadefinitionsasthereareselectedareanumbers.NOTE4:Suchacknowledgementmayberequestedonlytogetherwiththeassignmenttoserveduser(s).SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)124.2.3DEFINEACKindicationTheDEFINEACKindicationprimitiveshallbesentovertheauthorizeduserTNSS-SAPbytheMS/LSCMCEtotheauthorizeduserapplicationtoinformitoftheresultofapreviousDEFINErequest.IfthepreviousrequesthasbeenaddressedtoaSwMIformorethanoneidentity,thatSwMImaysenditscorrespondingresponseeitherinonesinglerequestwhichappliestoallthoseidentitiesorinmultiplerequests.TheDEFINEACKindicationprimitiveshallcontaintheSS-ASparameterslistedintable3.Table3:ParametersfortheprimitiveDEFINEACKindicationParameterIndicationDefinitionresultM(seenote1)DefinedTETRAidentity/identitiesM(seenote2)Selectedareanumber(s)C(seenotes3and4)NOTE1:ThereshallbeonlyonedefinitionresultperprimitiveiftherearemorethanonedefinedTETRAidentityormorethanoneselectedareanumber.NOTE2:ItisoptionaltosupportmorethanonedefinedTETRAidentity.NOTE3:Conditionalonthedefinitionresultbeingpositive.NOTE4:Itisoptionaltosupportmorethanoneselectedareanumber.4.2.4INTERROGATErequestTheINTERROGATErequestprimitiveshallbesentovertheauthorizeduserTNSS-SAPbytheauthorizeduserapplicationtotheMS/LSCMCEtoknowthedefinitionofaselectedareaagainstthecorrespondingselectedareanumberforanindividualuserorforagroup.Whensupported(sinceitisoptional),theinterrogationprocessshallsupportoneTETRAidentityinarequest.ThatTETRAidentitymaybeeitherthatofanindividualsubscriberorthatofagroup.Optionally,theinterrogationrequestmaybelimitedtothedefinitionofoneormoreselectedareanumbers.TheINTERROGATErequestprimitiveshallcontaintheSS-ASparameterslistedintable4.Table4:ParametersfortheprimitiveINTERROGATErequestParameterRequestAccesspriorityOInterrogatedTETRAidentityMInterrogatedselectedareanumber/numbersO(seenote)NOTE:Maybepresenttolimitthescopeoftheinterrogationtothedefinitionofoneormoreselectedareanumbers.4.2.5INTERROGATEACKindicationTheINTERROGATEACKindicationprimitiveshallbesentovertheauthorizeduserTNSS-SAPbytheMS/LSCMCEtotheauthorizeduserapplicationtoinformitabouttheresultofapreviousINTERROGATErequest.TheSwMIinterrogatedmaysenditsresponseeitherinonesinglerequestwhichgivesthedefinitionofallselectedareanumbers(forwhichtheinterrogationhasbeenplaced)orinmultiplerequests.TheINTERROGATEACKindicationprimitiveshallcontaintheSS-ASparameterslistedintable5.SIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)13Table5:ParametersfortheprimitiveINTERROGATEACKindicationParameterIndicationInterrogationresultM(seenote1)InterrogatedTETRAidentityMSelectedareanumber(s)M(seenote2)Selectedareadefinition(s)M(seenote3)Assignmenttoserveduser(s)requestedOAcknowledgementrequestedfromserveduser(s)C(seenote4)NOTE1:ThereshallbeonlyoneinterrogationresultperprimitiveiftherearemorethanoneinterrogatedTETRAidentityormorethanoneselectedareanumber.NOTE2:Itisoptionaltosupportmorethanoneselectedareanumber.NOTE3:Thereshallbeasmanyselectedareadefinitionsasthereareselectedareanumbers.NOTE4:Suchacknowledgementmayhavebeenrequestedonlytogetherwiththeassignmenttoserveduser(s).4.2.6INVOKErequestTheINVOKErequestprimitiveshallbesentovertheserveduserTNSS-SAPbytheserveduserapplicationtotheMS/LSCMCEtoinvokeSS-AS.ItshallcontaintheSS-ASparameterslistedintable6.Table6:ParametersfortheprimitiveINVOKErequestParameterRequestSelectedareanumberMSwMIwheretheselectedareanumberisdefinedM(seenote2)NOTE1:Thereisnoaccesspriorityparameterintable6sincetheaccesspriorityofthatprimitiveisthesameasthatoftheconcurrentTNSS-SETUPrequest.NOTE2:AddressinginformationparameternotaSS-ASparameter.4.2.7INVOCATIONFAILUREindicationTheINVOCATIONFAILUREindicationprimitiveshallbesentovertheserveduserTNSS-SAPbytheMS/LSCMCEtotheserveduserapplicationtoinformitaboutthefailureofSS-ASinvocation.ItshallcontaintheSS-ASparametergivenintable7.Table7:ParameterfortheprimitiveINVOCATIONFAILUREindicationParametersIndicationInvocationfailurecauseMSIST EN 300 392-12-8 V1.1.1:2003
ETSIETSIEN300392-12-8V1.1.1(2000-12)144.3ParameterdescriptionAccesspriority:lowpriority;highpriority;emergencypriority.Thedefaultvalueforthatparametershallbelowpriority.Thevalueemergencypriorityshouldnotbeusedforthatparameterinanyprimitive.Acknowledgementrequestedfromserveduser(s):acknowledgementofassignmentofareanumberdefinitionstoserveduser(s)requestedfromthat(those)user(s).Assignmenttoserveduser(s)requested:(airinterface)downloadingofareanumberdefinitionsrequestedtobemadetoserveduser(s).Definitionresult:successfulrequest;unsuccessfulrequest.Iftherequesthasbeenunsuccessful,oneofthefollowingreasonsshallbeindicated:rejectedforanyreason;notanauthorizeduser;supplementaryservicenotsubscribedfortheuseraddressed;unknownTETRAidentity;typeofdefinitionnotsupported(seedescriptionofparameterselectedareadefinitionbelowforthemeaningof"typeofdefinition");repetitionofparametersnotsupported;protocolproblem.Interrogationresult:successfulrequest;unsuccessfulrequest.IftheINTERROGATErequesthasbeenunsuccessful,oneofthefollowingreasonsshallbeindicated:rejectedforanyreason;
...