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SIST EN 300 394-4-4 V1.1.1:2003

(Main)

Terrestrial Trunked Radio (TETRA); Conformance testing specification; Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4: Test Suite Structure and Test Purposes (TSS&TP) for Direct Mode Repeater (DM-REP) type 1

Terrestrial Trunked Radio (TETRA); Conformance testing specification; Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4: Test Suite Structure and Test Purposes (TSS&TP) for Direct Mode Repeater (DM-REP) type 1

Protocol conformance testing (TTCN) for mobile stations to be used for Direct Mode operation

Prizemni snopovni radio (TETRA) - Specifikacija za preskušanje skladnosti - 4. del: Specifikacija za preskušanje protokola za neposredno obratovanje (DMO) ¬- 4. poddel: Zgradba preskušalnega niza in nameni preskušanja (TSS&TP) za neposredni ponavljalnik (repetitor) tipa 1

General Information

Status
Published
Publication Date
30-Nov-2003
ICS
33.070.10 - Terrestrial Trunked Radio (TETRA)
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
Mandate
BC-T-344
Ref Project
ETSI EN 300 394-4-4 V1.1.1 (2001-01) - Terrestrial Trunked Radio (TETRA); Conformance testing specification; Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4: Test Suite Structure and Test Purposes (TSS&TP) for Direct Mode Repeater (DM-REP) type 1

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EN 300 394-4-4 V1.1.1:2003
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prizemni snopovni radio (TETRA) - Specifikacija za preskušanje skladnosti - 4. del: Specifikacija za preskušanje protokola za neposredno obratovanje (DMO) ¬- 4. poddel: Zgradba preskušalnega niza in nameni preskušanja (TSS&TP) za neposredni ponavljalnik (repetitor) tipa 1Terrestrial Trunked Radio (TETRA); Conformance testing specification; Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4: Test Suite Structure and Test Purposes (TSS&TP) for Direct Mode Repeater (DM-REP) type 133.070.10Prizemni snopovni radio (TETRA)Terrestrial Trunked Radio (TETRA)ICS:Ta slovenski standard je istoveten z:EN 300 394-4-4 Version 1.1.1SIST EN 300 394-4-4 V1.1.1:2003en01-december-2003SIST EN 300 394-4-4 V1.1.1:2003SLOVENSKI
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SIST EN 300 394-4-4 V1.1.1:2003



ETSIEN300394-4-4V1.1.1(2001-01)EuropeanStandard(Telecommunicationsseries)TerrestrialTrunkedRadio(TETRA);Conformancetestingspecification;Part4:ProtocoltestingspecificationforDirectModeOperation(DMO);Sub-part4:TestSuiteStructureandTestPurposes(TSS&TP)forDirectModeRepeater(DM-REP)type1SIST EN 300 394-4-4 V1.1.1:2003



ETSIETSIEN300394-4-4V1.1.1(2001-01)2ReferenceDEN/TETRA-02009-4-4KeywordsDMO,protocol,radio,testing,TETRA,TSS&TP,TTCNETSI650RoutedesLuciolesF-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.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 394-4-4 V1.1.1:2003



ETSIETSIEN300394-4-4V1.1.1(2001-01)3ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.53Definitionsandabbreviations.63.1TETRAdefinitions.63.2TETRAabbreviations.63.3ISO9646abbreviations.64TestSuiteStructure(TSS).74.1MAClayertestgroups.74.2Testgroupdescription.75IntroductiontoTestPurposes(TPs).75.1Testpurposedefinitionconventions.75.2Testpurposenamingconventions.85.3Selectionexpressions.86DM-REP1testpurposes.86.1DM-REP1MAClayer.86.1.1DM-REP1MACcapabilitytests.86.1.2DM-REP1MACvalidbehaviourtests.96.1.3DM-REPMACinvalidbehaviourtests.116.1.4DM-REPMACtimertests.12Bibliography.13History.14SIST EN 300 394-4-4 V1.1.1:2003



ETSIETSIEN300394-4-4V1.1.1(2001-01)4IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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).ThepresentdocumenthadbeensubmittedtoPublicEnquiryasETS300394-4-4.DuringtheprocessingforVoteitwasconvertedintoanEN.Thepresentdocumentispart4ofamulti-partdeliverablecoveringtheTerrestrialTrunkedRadio(TETRA);Conformancetestingspecification,asidentifiedbelow:Part1:"Radio";Part2:"ProtocoltestingspecificationforVoiceplusData(V+D)";Part3:"ProtocoltestingspecificationforPacketDataOptimized(PDO)";Part4:"ProtocoltestingspecificationforDirectModeOperation(DMO)";Part5:"Security".NationaltranspositiondatesDateofadoptionofthisEN:22December2000DateoflatestannouncementofthisEN(doa):31March2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30September2001DateofwithdrawalofanyconflictingNationalStandard(dow):30September2001SIST EN 300 394-4-4 V1.1.1:2003



ETSIETSIEN300394-4-4V1.1.1(2001-01)51ScopeEN300394-4containstheTestSuiteStructure(TSS)andTestPurposes(TPs)totesttheTETRADirectModeOperation(DMO)protocols.EN300394-4isdividedintoseveralparts,eachonedealingwithadifferentsetoflayer3andlayer2DMOprotocols.ThepresentdocumentdealswithTSS&TPforDirectModeRepeatertype1(DM-REP1)AirInterfaceprotocol,datalinklayer2only,whilesub-part1dealswithTSS&TPforDMMStoMSprotocolandsub-part3dealswithDM-MSoperatingthroughRepeatertype1(MS-REP1)AirInterfaceprotocolTestingofsecurityfeaturesisoutsidethescopeofthepresentdocument.TheobjectiveofthistestspecificationistoprovideabasisforapprovaltestsforTETRAequipmentgivingahighprobabilityofairinterfaceinter-operabilitybetweendifferentmanufacturer'sTETRAequipment.TheISOstandardforthemethodologyofconformancetesting,ISO/IEC9646-1[3]andISO/IEC9646-2[4],aswellastheETSImethodologyforconformancetesting,ETS300406[5],areusedasthebasisforthetestmethodology.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ETSIEN300396-4:"TerrestrialTrunkedRadio(TETRA);TechnicalrequirementsforDirectModeOperation(DMO);Part4:Type1repeaterAirInterface".[2]ETSIEN300396-8-2:"TETRA;DirectModeOperation(DMO);Part8:ProtocolImplementationConformanceStatement(PICS)proformaspecification;Part8-2:Type1repeaterAirInterface".[3]ISO/IEC9646-1(1995):"Informationtechnology-OpenSystemsInterconnection-ConformanceTestingMethodologyandFramework-Part1:GeneralConcepts".(SeealsoITU-TRecommendationX.290).[4]ISO/IEC9646-2(1995):"Informationtechnology-OpenSystemsInterconnection-ConformanceTestingMethodologyandFramework-Part2:AbstractTestSuiteSpecification".(SeealsoITU-TRecommendationX.291).[5]ETSIETS300406(1995):"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;Standardizationmethodology".SIST EN 300 394-4-4 V1.1.1:2003



ETSIETSIEN300394-4-4V1.1.1(2001-01)63Definitionsandabbreviations3.1TETRAdefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsgiveninEN300396-4[1]apply.3.2TETRAabbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:CMCircuitModeDMCCDirectModeCallControlDMODirectModeofOperationFCSFrameCheckSequenceITSIIndividualTETRASubscriberIdentityMACMediumAccessControlMNIMobileNetworkIdentityMSMobileStationNWKNetwork.Layer3oftheTETRAprotocolstackRXReceiverSDSShortDataServicesSDUServiceDataUnitTXTransmitter3.3ISO9646abbreviationsForthepurposesofthepresentdocumentthefollowingISO/IEC9646-1[3]abbreviationsapply:IUTImplementationUnderTestIXITImplementationeXtraInformationforTestingPDUProtocolDataUnitPICSProtocolImplementationConformanceStatementPIXITProtocolImplementationeXtraInformationforTestingTPTestPurposeTSSTestSuiteStructureSIST EN 300 394-4-4 V1.1.1:2003



ETSIETSIEN300394-4-4V1.1.1(2001-01)74TestSuiteStructure(TSS)4.1MAClayertestgroupsThefirstleveloftheMACtestgroupsseparatestheMACtestsuiteinfunctionaltestgroups:CA,BVandTI.ThefollowinglistdefinestheMAClayertestgroupnamesandidentifiers:-DM-REP1MAClayer(DMO_DMREP1_MAC)-Capabilitytests(CA)-Validbehaviourtests(BV)-Invalidbehaviourtests(BI)-Timertests(TI)4.2TestgroupdescriptionCapability(CA)testsprovidelimitedtestingthattheobservablecapabilitiesoftheIUTareinaccordancewiththeconformancerequirementsandtheadditionalcapabilitiesclaimedinthePICS/PIXIT.TheValidBehaviour(BV)grouptestsanIUTinresponsetovalidbehaviourofthetestsystem."Valid"meansthatatesteventissyntacticallyandcontextuallycorrect.Alltestcasesinthevalidbehaviourgroupareintendedtoverifyasthoroughlyaspossiblethevariousfunctionsoftheprotocol.Differenttimersaredefinedtosupervisethevariousstatetransitions.TheTimer(TI)testgroupis
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SIST EN 300 394-1 V2.4.1:2006(Main)
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The present document specifies the minimum technical characteristics of TETRA Voice plus Data (V+D) Base Stations (BS) and Mobile Station (MS) equipment, and TETRA Direct Mode Operation (DMO) equipment, and the radio test methods used for type testing. Specific test methods for DMO equipment are defined in annex F of the present document. The purpose of these specifications is to provide a sufficient quality of radio transmission and reception for equipment operating in a TETRA system and to minimize harmful interference to other equipment. The present document is applicable to TETRA systems operating at radio frequencies in the range of 300 MHz to 1 GHz.

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SIST EN 300 392-12-6 V1.3.1:2006(Main)
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ETSI EN 300 392-12-6 V1.3.1 (2006-02)

The present document defines the stage 3 specifications of the Supplementary Service Call Authorized by Dispatcher (SS-CAD) for the Terrestrial Trunked RAdio (TETRA) as provided by European operators. Stage 3 defines the signalling system protocols needed to implement the service described in stage 1 and stage 2. The stage 1 and stage 2 aspects are detailed in EN 300 392 10-6 [2] and EN 300 392-11-6 [3] respectively. Aspects relating to all supplementary services are detailed in EN 300392-9 [6]. Charging principles and the Man-Machine Interface (MMI) are outside the scope of the present document. The SS-CAD ensures that predefined TETRA calls do not proceed without first being authorized by a dispatcher.

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The present document describes the data content of a Lawful Interception interface in a TETRA system. It provides the requirements and specification of the interface within a TETRA system for the purpose of providing data to Law Enforcement Agencies (LEAs) in the area of Lawful Interception (LI) of communications. The present document describes the internal LI interface of a TETRA network, and does not specify the means by which data is delivered to the LEA or to its designated Law Enforcement Monitoring Facility (LEMF). However the internal LI interface is defined in such a way that data may be carried transparently on most networks.

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SIST EN 300 392-3-4 V1.2.1:2006(Main)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 4: Additional Network Feature Short Data Service (ANF-ISISDS)
ETSI EN 300 392-3-4 V1.2.1 (2004-01)

The present document defines the Terrestrial Trunked Radio system (TETRA) supporting Voice plus Data (V+D). It specifies:
- general design aspects (e.g. reference points, numbering and addressing, or protocol architecture);
- the system bearer and mobility management services, and the corresponding air interface protocols;
- the interworking between TETRA networks;
- the interworking of TETRA networks with other networks, via gateways;
- the peripheral equipment interface on the mobile station;
- the Line Station (LS) interface with TETRA networks;
- the security protocols and mechanisms applicable to TETRA networks and to TETRA terminal equipment;
- the supplementary services applicable to the basic TETRA tele- or bearer services.
The TETRA V+D interworking - basic operation part defines the interworking between TETRA networks over the corresponding interface: the Inter-System Interface (ISI). It comprises the following subparts:
- ISI general design;
- Additional Network Feature - ISI Individual Call (ANF-ISIIC);
- Additional Network Feature - ISI Group Call (ANF-ISIGC);
- Additional Network Feature - ISI Short Data service (ANF-ISISD);
- Additional Network Feature - ISI Mobility Management (ANF-ISIMM);
- 8 kbit/s encoding of user information at the ISI.
The present document specifies the Additional Network Function (ANF) - Inter-System Interface (ISI) Short Data service (ANF-ISISD) which is part of the Interworking Basic Operation of the Terrestrial Trunked Radio system (TETRA) supporting Voice and Data (V+D). Specifically the present document details the stage 1, 2 and 3 aspects of the ANF-ISISD as seen from the TETRA Switching and Maintenance Infrastructure (SwMI) point of view at the Inter System Interface (ISI). This service comprises of:
- TETRA user defined short message transmission over the ISI to individual and group addresses;
- TETRA pre-defined short message transmission over the ISI to individual and group addresses.
ANF-ISISD enables short data and status messages to be set-up and transferred between a user registered in one TETRA network to another user registered in another TETRA network, operating at the ISI of both SwMIs. Like all other Additional Network Feature (ANF) specifications, those of ANF-ISISD are produced in three stages, according to the method described in ITU-T Recommendation I.130 [4]. The present document contains the stage 1 and 2 descriptions of ANF-ISIIC, and its partial stage 3 description. The stage 1 description specifies the ANF as seen by its
users, which are essentially the individual call control entities in both TETRA networks. The stage 2 description identifies the functional entities involved in the ANF and the information flows between them. The partial stage 3 description of ANF-ISISD specifies its protocol.

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SIST EN 300 392-3-5 V1.2.1:2006(Main)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 5: Additional Network Feature for Mobility Management (ANF-ISIMM)
ETSI EN 300 392-3-5 V1.2.1 (2004-01)

The present document defines the mobility management of interworking at the Inter-System Interface (ISI) for Terrestrial Trunked Radio (TETRA) system supporting Voice plus Data (V+D).
The TETRA V+D Inter-working - basic operation part defines the Inter-System Interface (ISI) between the SwMIs as specified in the following sub-parts:
• Additional Network Feature - Inter-System Interface General Description (ANF-ISIGD);
• Additional Network Feature - Inter-System Interface Individual Call (ANF-ISIIC);
• Additional Network Feature - Inter-System Interface Group Call (ANF-ISIGC);
• Additional Network Feature - Inter-System Interface Short Data Service (ANF-ISISD);
• Additional Network Feature - Inter-System Interface Mobility Management (ANF-ISIMM).
NOTE: These ENs are produced in analogy with the ITU-T Recommendation I.130 [8].
The present document contains the ANF-ISIMM part. The ANF-ISIMM part defines additional Mobility Management (MM) services to the SwMIs. If supported, the ANF-ISIMM services complement the intra-SwMI-MM, authentication and key management services. In support of these, the ANF-ISIMM enables the invocation and operation of these services between the SwMIs over the ISI. Thus, ANF-ISIMM offers the following services:
• migration and restricted migration;
• individual subscriber and group profile update;
• profile update;
• de-registration;
• group attachment/detachment;
• individual subscriber and group database fault recovery;
• authentication, one-directionally or mutually between the individual subscriber and the home SwMI;
• Over-The-Air-Re-keying (OTAR) for Static Cipher Key (SCK) generation and SCK delivery.
For the following service only the stage 1 descriptions are included:
• linking/unlinking of groups.

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SIST EN 300 392-12-21 V1.2.1:2006(Main)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 21: Ambience Listening (AL)
ETSI EN 300 392-12-21 V1.2.1 (2004-11)

The present document defines the stage 3 specification of the Supplementary Service Ambience Listening (SS-AL) for the Terrestrial Trunked Radio (TETRA). Stage 3 defines the signalling system protocols and switching functions needed to implement the service described in stage 1 and stage 2. Charging principles and Man-Machine Interface (MMI) are outside the scope of the present document. The SS-AL enables the served user to place a TETRA Mobile Station (MS) into a special type of voice call whereby the called MS transmits without any action from, or indication to, the affected user. The SS-AL call can include a second listening party. The affected user can ask other user to set an SS-AL call on him.

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SIST EN 300 392-12-22 V1.2.1:2006(Main)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 22: Dynamic Group Number Assignment (DGNA)
ETSI EN 300 392-12-22 V1.2.1 (2004-02)

The present document defines the stage 3 specifications of the Supplementary Service Dynamic Group Number Assignment (SS-DGNA) for the Terrestrial Trunked Radio (TETRA). The SS-DGNA enables a user to dynamically define group identities and group related parameters to the TETRA system and to the subscribers in the system. These definitions are used to enable group call invocations to dynamically defined groups. The SS-DGNA specification defines the creation, modification, deletion and interrogation of group definitions in the Switching and Management Infrastructure (SwMI), in the Mobile Station (MS).
The present document does not include the specification for access priority used for random access in uplink and call priority used by SwMI for resource allocation in a group call. Access priority and call priority can be specified and applied for groups using Supplementary Services Access Priority (SS-AP), Priority Call (SS-PC) and Pre-emptive Priority Call (SS-PPC). Thus, the definition procedure of these priorities is outside the scope of the present document.
Man-Machine Interface (MMI) and charging principles are also outside the scope of the present document. Supplementary service stage 3 specification is preceded by the stage 1 and the stage 2 specifications of the service. Stage 1 describes the functional capabilities from the user's point of view. Stage 2 defines the functional behaviour in terms of functional entities and information flows. Stage 3 gives the precise description of the supplementary service from the implementation point of view. It defines the protocols for the service and the encoding rules for the  information flows. It defines the processes for the functional entities and their behaviour. The described protocols and their behaviour apply for the SwMI and for the MS and can be applied over the Inter-System Interface (ISI) between TETRA systems.

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SIST EN 300 392-12-10 V1.2.1:2006(Main)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 10: Priority Call (PC)
ETSI EN 300 392-12-10 V1.2.1 (2004-02)

The present document defines the stage 3 specifications of the Supplementary Service Priority Call (SS-PC) for the Terrestrial Trunked RAdio (TETRA). The SS-PC enables a user to have preferential access to the network resources in the TETRA system in times of congestion. The SS-PC applies for the basic services: circuit mode calls (speech or data). The SS-PC specifies the definition, activation, deactivation and interrogation for the usage of low and high call priorities in the TETRA system. The operations are defined for the Switching and Management Infrastructure (SwMI), for the Mobile Station (MS) and for the Line Station (LS). SS-PC can be defined to subscribers of one TETRA system, but the subscribers can be located in several TETRA systems and the information flows can be delivered over the Inter System Interface (ISI). SS-PC can also be invoked for basic services within one TETRA system or for basic services that extend over ISI to several TETRA systems.
The pre-emptive priorities are outside of the scope of the present document.
Man-Machine Interface (MMI) and Charging principles are outside the scope of the present document.
Supplementary Service stage 3 specification is preceded by the stage 1 and the stage 2 specifications of the service. Stage 1 describes the functional capabilities from the user's point of view. Stage 2 defines the functional behaviour in terms of Functional Entities (FEs) and information flows. Stage 3 gives a precise description of the Supplementary Service from the implementation point of view. It defines the protocol for the service and the encoding rules for the information flows. It defines the processes for the functional entities and their behaviour. The described protocols and behaviour apply to the SwMI, for the MS and for the LS and can be applied over the ISI between TETRA systems. Aspects relating to all supplementary services are detailed in EN 300 392-9 [2].

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SIST EN 300 392-2 V2.4.2:2006(Main)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air Interface (AI)
ETSI EN 300 392-2 V2.4.2 (2004-02)

The present document defines the Terrestrial Trunked Radio (TETRA) system supporting Voice plus Data (V+D). It specifies the air interface, the interworking between TETRA systems and to other systems via gateways, the Terminal Equipment (TE) interface on the Mobile Station (MS), the connection of Line Stations (LSs) to the infrastructure, the security aspects in TETRA networks, the management services offered to the operator, the performance objectives, and the supplementary services that come in addition to the basic and teleservices.
This part applies to the TETRA V+D Air Interface (AI) and contains the specifications of the physical layer, the data link layer and the network layer according to the ISO model.
First, it establishes the TETRA radio aspects (layer 1):
• it defines and specifies the modulation;
• it defines and specifies the radio transmission and reception;
• it defines and specifies the synchronization;
• it defines and specifies the channel coding;
• it defines and specifies the channel multiplexing;
• it defines and specifies the control over the radio link.
Secondly, it establishes the services, messages and protocols used for voice and circuit mode data transfer, starting  with the upper layers:
• it defines and specifies the protocol used by the Circuit Mode Control Entity (CMCE) to communicate across the air interface in order to offer the services of the Call Control (CC), Supplementary Service (SS) and Short Data Service (SDS) sub-entities;
• it defines and specifies the services provided by the CC sub-entity;
• it defines and specifies the services provided by the SS sub-entity;
• it defines and specifies the services provided by the SDS sub-entity;
• it defines and specifies the services and protocol used for the management of the users' mobility inside and across TETRA networks, namely the ones of the Mobility Management (MM) entity and the MLE;
• it defines and specifies the services and protocol used in the data link layer subdivided in two sub-entities, the Logical Link Control (LLC) and the Medium Access Control (MAC) entities.
Thirdly, it establishes the services, messages and protocols used for packet data transfer:
• it defines and specifies the services provided by the Sub-Network Specific Data Control Protocol (SNDCP) sub-entity;
• it defines and specifies the protocol used by Sub-Network Specific Data Control Protocol (SNDCP).
The normative annexes mainly specify the parameter values used in the protocol.
The informative annexes refer mainly to the description of more general layer 3 to layer 1 mechanism.

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SIST
SIST EN 300 392-10-11 V1.3.1:2006(Main)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 11: Call Waiting (CW)
ETSI EN 300 392-10-11 V1.3.1 (2004-01)

The present document defines the stage 1 description of the call waiting supplementary service (SS-CW) for the Terrestrial Trunked Radio (TETRA) as provided by European operators. The stage 1 description is an overall service description from the user point of view but does not deal with the details of the human interface itself (see ITU-T Recommendation I.130 [1]). SS-CW permits a called user to acknowledge an incoming individual call while he is already busy. Subsequently that user shall have the choice to accept, reject or ignore that incoming call. The present document specifies the service description of the supplementary service and the procedures to be expected with successful and unsuccessful outcomes. In addition the present document specifies the interactions with other TETRA supplementary services and inter-working considerations. Charging principles are outside the scope of the present document.

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