SIST EN 300 188-4 V1.3.3:2003
(Main)Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
General Information
- Abstract
To handle comments and incorporate appropriate corrections into the ATS of DSS1 L2
- 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 300 188-4 V1.3.3:2003 is a European standard developed by the Slovenski inštitut za standardizacijo (SIST) in line with the ETSI EN 300 188 series. This standard focuses on the Integrated Services Digital Network (ISDN) and the Three-Party (3PTY) supplementary service using the Digital Subscriber Signalling System No. one (DSS1) protocol. Specifically, Part 4 of this multi-part standard delivers the Abstract Test Suite (ATS) and the partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user side.
The main purpose of this document is to ensure conformance testing for implementations at the user side of the ISDN Three-Party service, supporting the development, testing, and certification of DSS1 implementations. This revision handles comments and incorporates appropriate corrections into the ATS, improving accuracy and reliability for testing environments.
Key Topics
- ISDN Three-Party Supplementary Service: Applicability to user-side implementations of ISDN 3PTY features.
- DSS1 Protocol Conformance: Ensuring that implementations adhere to standardized user-network interface specifications.
- Abstract Test Suite (ATS): Formal descriptions of test cases and procedures, structured per internationally recognized methods (ISO/IEC 9646).
- PIXIT Proforma: Documentation template for manufacturers to provide additional protocol implementation details necessary for testing.
- Test Methodology: Use of Points of Control and Observation (PCO), formal test structure via TTCN (Tree and Tabular Combined Notation), and parameterized constraints for robust test coverage.
- Encoding Rules: Application of Basic Encoding Rules (BER) and ISDN-specific encoding in defining protocol data units and constraints.
- Conformance Test Documentation: Proformas for Protocol Conformance Test Report (PCTR) and PIXIT, facilitating consistent reporting in test laboratories.
Applications
SIST EN 300 188-4 V1.3.3:2003 is indispensable for:
- Developers of ISDN Equipment: Ensuring 3PTY supplementary service implementations are conformant to pan-European ISDN standards for interoperable products.
- Testing Laboratories: Providing a detailed suite of abstract tests and proforma documents to conduct and report conformance assessment on user side DSS1 implementations.
- Certification Bodies: Using the documented method for rigorously evaluating ISDN products before market entry.
- Network Operators: Reviewing and verifying conformance of user premises equipment for seamless network integration and multi-party call capabilities.
The standard offers a concrete framework for defining, conducting, and documenting protocol tests, ensuring that both manufacturers and testing bodies maintain high interoperability and compliance levels.
Related Standards
- EN 300 188-1: Protocol specification for ISDN 3PTY supplementary service (DSS1).
- EN 300 188-2: Protocol Implementation Conformance Statement (PICS) proforma.
- EN 300 188-3: Test Suite Structure and Test Purposes (TSS&TP) for the user.
- EN 300 188-5/6: Network side specifications, including test purposes and ATS for network implementations.
- ISO/IEC 9646: Relevant parts for conformance testing methodology and TTCN notation.
- EN 300 403-1; EN 300 196-1: Supporting DSS1 and functional protocol standards.
Keywords: ISDN, DSS1, 3PTY, Three-Party Supplementary Service, ATS, PIXIT, protocol conformance, abstract test suite, test methodology, interoperability, telecommunications standards.
For organizations seeking robust procedures for ISDN DSS1 conformance at the user interface, SIST EN 300 188-4 V1.3.3:2003 provides a validated foundation for quality, compatibility, and market acceptance.
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Frequently Asked Questions
SIST EN 300 188-4 V1.3.3:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user". This standard covers: To handle comments and incorporate appropriate corrections into the ATS of DSS1 L2
To handle comments and incorporate appropriate corrections into the ATS of DSS1 L2
SIST EN 300 188-4 V1.3.3:2003 is classified under the following ICS (International Classification for Standards) categories: 33.080 - Integrated Services Digital Network (ISDN). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 188-4 V1.3.3:2003 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.VWRULWHYIntegrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 300 188-4 Version 1.3.3SIST EN 300 188-4 V1.3.3:2003en01-december-2003SIST EN 300 188-4 V1.3.3:2003SLOVENSKI
STANDARD
ETSIEN300188-4V1.3.3(2000-05)EuropeanStandard(Telecommunicationsseries)IntegratedServicesDigitalNetwork(ISDN);Three-Party(3PTY)supplementaryservice;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part4:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationfortheuserSIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)2ReferenceREN/SPS-05167-4KeywordsISDN,DSS1,supplementaryservice,3PTY,ATS,PIXIT,userETSI650RoutedesLuciolesF-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 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.74AbstractTestMethod(ATM).85Untestabletestpurposes.86ATSconventions.86.1Declarationspart.86.1.1Typedefinitions.86.1.1.1Simpletypedefinitions.86.1.1.2Structuredtypedefinitions.96.1.1.2.1TTCNstructuredtypedefinitions.96.1.1.2.2ASN.1structuredtypedefinitions.96.1.1.3ASPtypedefinitions.106.1.1.3.1TTCNASPtypedefinitions.106.1.1.3.2ASN.1ASPtypedefinitions.106.1.1.4PDUtypedefinitions.106.1.1.4.1TTCNPDUtypedefinitions.106.1.1.4.2ASN.1PDUtypedefinitions.116.1.2Testsuiteconstants.116.1.3Testsuiteparameters.116.1.4Variables.116.1.4.1Testsuitevariables.116.1.4.2Testcasevariables.116.1.5Testsuiteoperationdefinitions.116.2Constraintspart.126.2.1Structuredtypeconstraintdeclaration.126.2.2ASN.1typeconstraintdeclaration.126.2.2.1Specificationofencodingrules.136.2.3ASPtypeconstraintdeclaration.136.2.3.1ASN.1ASPtypeconstraintdeclaration.136.2.3.2TTCNASPtypeconstraintdeclaration.146.2.4PDUtypeconstraintdeclaration.146.2.4.1ASN.1PDUtypeconstraintdeclaration.146.2.4.2TTCNPDUtypeconstraintdeclaration.146.2.5Chainingofconstraints.146.2.5.1Staticchaining.146.2.5.2Dynamicchaining.146.2.6Derivedconstraints.146.2.7Parameterizedconstraints.156.2.8Valueassignment.156.2.8.1Specificvalues.156.2.8.2Matchingvalues.156.3Dynamicpart.156.3.1Testcases.156.3.2Teststeps.156.3.3Defaults.15SIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)47ATStoTPmap.158PCTRconformance.169PIXITconformance.1610ATSconformance.16AnnexA(normative):ProtocolConformanceTestReport(PCTR)proforma.17A.1Identificationsummary.17A.1.1Protocolconformancetestreport.17A.1.2IUTidentification.17A.1.3Testingenvironment.17A.1.4Limitsandreservations.18A.1.5Comments.18A.2IUTconformancestatus.18A.3Staticconformancesummary.18A.4Dynamicconformancesummary.18A.5Staticconformancereviewreport.19A.6Testcampaignreport.19A.7Observations.19AnnexB(normative):PartialPIXITproforma.20B.1Identificationsummary.20B.2Abstracttestsuitesummary.20B.3Testlaboratory.20B.4Client(ofthetestlaboratory).21B.5SystemUnderTest(SUT).21B.6Protocolinformation.22B.6.1Protocolidentification.22B.6.2Parametervalues.22B.6.3SendingofmessagesbyIUT.22B.6.4Timervalues.22AnnexC(normative):AbstractTestSuite(ATS).23C.1TheTTCNGraphicalform(TTCN.GR).23C.2TheTTCNMachineProcessableform(TTCN.MP).23AnnexD(informative):GeneralstructureofATS.24AnnexE(informative):Changerecord.25E.1ChangesbetweenEN300188-4V1.2and1.3.25E.2ChangesbetweenETS300188-4andEN300188-4V1.2.25History.26SIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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)hasbeenproducedbyETSITechnicalCommitteeServicesandProtocolsforAdvancedNetworks(SPAN).Thepresentdocumentispart4ofamulti-partstandardcoveringtheDigitalSubscriberSignallingSystemNo.one(DSS1)protocolspecificationfortheIntegratedServicesDigitalNetwork(ISDN)ThreeParty(3PTY)supplementaryservice,asdescribedbelow:Part1:"Protocolspecification";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specificationfortheuser";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationfortheuser";Part5:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforthenetwork";Part6:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthenetwork".ThepresentversionupdatestheATS.NationaltranspositiondatesDateofadoptionofthisEN:28April2000DateoflatestannouncementofthisEN(doa):31July2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2001DateofwithdrawalofanyconflictingNationalStandard(dow):31January2001SIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)61ScopeThisfourthpartofEN300188specifiestheAbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformafortheUsersideoftheTreferencepointorcoincidentSandTreferencepoint(asdefinedinITU-TRecommendationI.411[11])ofimplementationsconformingtothestagethreestandardfortheThreeParty(3PTY)supplementaryserviceforthepan-EuropeanIntegratedServicesDigitalNetwork(ISDN)bymeansoftheDigitalSubscriberSignallingSystemNo.one(DSS1)protocol,EN300188-1[2].EN300188-3[4]specifiestheTestSuiteStructureandTestPurposes(TSS&TP)relatedtothisATSandpartialPIXITproformaspecification.OtherpartsspecifytheTSS&TPandtheATSandpartialPIXITproformafortheNetworksideoftheTreferencepointorcoincidentSandTreferencepointofimplementationsconformingtoEN300188-1[2].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN300403-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Signallingnetworklayerforcircuit-modebasiccallcontrol;Part1:Protocolspecification[ITU-TRecommendationQ.931(1993),modified]".[2]ETSIEN300188-1(V1.2):"IntegratedServicesDigitalNetwork(ISDN);Three-Party(3PTY)supplementaryservice;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part1:Protocolspecification".[3]ETSIEN300188-2(V1.2):"IntegratedServicesDigitalNetwork(ISDN);Three-Party(3PTY)supplementaryservice;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[4]ETSIEN300188-3(V1.2):"IntegratedServicesDigitalNetwork(ISDN);Three-Party(3PTY)supplementaryservice;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part3:TestSuiteStructureandTestPurposes(TSS&TP)specificationfortheuser".[5]ETSIEN300196-1:"IntegratedServicesDigitalNetwork(ISDN);Genericfunctionalprotocolforthesupportofsupplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part1:Protocolspecification".[6]ISO/IEC9646-1:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part1:Generalconcepts".[7]ISO/IEC9646-2:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part2:Abstracttestsuitespecification".[8]ISO/IEC9646-3:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part3:TheTreeandTabularCombinedNotation(TTCN)".[9]ISO/IEC9646-4:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part4:Testrealization".SIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)7[10]ISO/IEC9646-5:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part5:Requirementsontestlaboratoriesandclientsfortheconformanceassessmentprocess".[11]ITU-TRecommendationI.411(1993):"ISDNuser-networkinterfaces-Referenceconfigurations".[12]CCITTRecommendationX.209(1988):"SpecificationofbasicencodingrulesforAbstractSyntaxNotationOne(ASN.1)".[13]ETSIETS300102:"IntegratedServicesDigitalNetwork(ISDN);User-networkinterfacelayer3;Specificationsforbasiccallcontrol".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:AbstractTestSuite(ATS):seeISO/IEC9646-1[6]ImplementationUnderTest(IUT):seeISO/IEC9646-1[6]LowerTester(LT):seeISO/IEC9646-1[6]PointofControlandObservation(PCO):seeISO/IEC9646-1[6]ProtocolImplementationConformanceStatement(PICS):seeISO/IEC9646-1[6]PICSproforma:seeISO/IEC9646-1[6]ProtocolImplementationeXtraInformationforTesting(PIXIT):seeISO/IEC9646-1[6]PIXITproforma:seeISO/IEC9646-1[6]SystemUnderTest(SUT):seeISO/IEC9646-1[6]UpperTester(UT):seeISO/IEC9646-1[6]3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:3PTYThreePartyASPAbstractServicePrimitiveATMAbstractTestMethodATSAbstractTestSuiteBERBasicEncodingRulesExTSExecutableTestSuiteIUTImplementationUnderTestLTLowerTesterMOTMeansOfTestingPCOPointofControlandObservationPDUProtocolDataUnitPICSProtocolImplementationConformanceStatementPIXITProtocolImplementationeXtraInformationforTestingSUTSystemUnderTestTCPTestCo-ordinationProceduresTPTestPurposeTTCNTreeandTabularCombinedNotationUTUpperTesterSIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)84AbstractTestMethod(ATM)Theremotetestmethodisappliedforthe3PTYuserATS.ThePointofControlandObservation(PCO)residesattheserviceaccesspointbetweenlayers2and3.ThisPCOisnamed"L"(forLower).TheLPCOisusedtocontrolandobservethebehaviouroftheImplementationUnderTest(IUT)andtestcaseverdictsareassigneddependingonthebehaviourobservedatthisPCO.TesterSUTLTIUTPCOLayer2Layer2Layer1Layer1ServiceproviderFigure1:RemotetestmethodISO/IEC9646-2[7]allowstheinformalexpressionofTestCo-ordinationProcedures(TCP)betweentheSystemUnderTest(SUT)upperlayer(s)andtheLowerTester(LT).IntheATScontainedinannexC,TCPisachievedbyuseofasecond"informal"PCO,called"O"(forOperator).ThisPCOisusedtospecifycontrolbutnotobservationabovetheIUTandconsequently,eventsatthisPCOareneverusedtogeneratetestcaseverdicts.TheuseofthisOPCOisregardedasapreferredalternativetotheuseoftheimplicitsendevent,inthatitallowstheATStospecifyinaclearandmeaningfulwaywhatactionsarerequiredtobeperformedontheIUT.5UntestabletestpurposesTherearenountestabletestpurposesassociatedwiththisATS.6ATSconventionsThisclauseisstructuredsimilarlytothestructureofaTTCNATS.However,thenamesofthesubclausesarearrangedinawaymoresuitabletothepresentdocument.6.1Declarationspart6.1.1Typedefinitions6.1.1.1SimpletypedefinitionsWhereappropriate,simpletypeshavealength,avaluelistorarangerestrictionattached.Simpletypesdefinedasbeingofsomestringtype(e.g.BITSTRING,OCTETSTRING),havealengthrestrictionoravaluelistattached.Simpletypes,definedasbeingofINTEGERtype,haveavaluelistorarangerestrictionattached.SIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)96.1.1.2Structuredtypedefinitions6.1.1.2.1TTCNstructuredtypedefinitionsAllstructuredtypedefinitionsareprovidedwithafullname.Allelementsineverystructuredtypedefinition,definedasbeingofsomestringtype(e.g.BITSTRING,OCTETSTRING),havealengthrestrictionattached.Ifanelementinastructuredtypedefinitionisdefinedasbeingofareferencedtype,the(possible)restrictionisdefinedinthatreferencedtype.Forinformationelementstheidentifier,whichisuniqueforeachelement,hasitstypedefinedasasimpletypewherethevaluelistisrestrictedtothesinglevaluewhichistheidentifieritself.ThishastheadvantagethatitallowsatestsystemderivedfromthisATStoeasilyidentifyinformationelementsembeddedinmessages.AnATSwhereinformationelementidentifiersarerepresentedasunrestrictedtypescanpresentdifficultiesforaderivedtestsysteminthecasewhereitneedstofindoneinformationelementembeddedinanumberofothersandtheconstraintsfortheotherelementshavetheany-or-omitvalue.Insuchacasethetestsystemcannoteasilyfindthebeginningofeachinformationelement.6.1.1.2.2ASN.1structuredtypedefinitionsASN.1hasbeenusedforthreemajorreasons.First,typesdefinedinASN.1canmodelproblemsthat"pure"TTCNcannot.Forinstance,datastructuresmodellingorderedorunorderedsequencesofdataarepreferablydefinedinASN.1.Second,ASN.1providesabetterrestrictionmechanismfortypedefinitionsbyusingsub-typedefinitions.Third,itisnecessarytouseASN.1toreproducethetypedefinitionsforremoteoperationcomponentsasspecifiedinthebasestandards.ThefactthatASN.1providesabetterrestrictionmechanismfortypedefinitionsisusedforthepurposeofachievingtype-compatibility.Tables1and2showthetypicaluseofASN.1.TheFIEtypeintable1iswritteninASN.1topermittheuseoftheSETOFconstructioninthecomponentsfield.ConstraintsoftheFIEtypecanthereforebewrittenusingtheSUPERSETfunctionwhichallowstomatchasinglecomponentwhichmaybedeliveredtogetherwithasetofothercomponents.Table2showstherejectcomponenttypewhichisdefinedfollowingtheASN.1declarationinEN300196-1[5].Table1:ASN.1typedefinitionFIEASN.1TypeDefinitionTypeName:FIEComments:FacilityinformationelementtakenfromEN300196;11.2.2.1.Specifiedhereforbothsend&receiveevent.TypeDefinitionSEQUENCE{informationElementIdentifierFIE_I,lengthFIE_LengthType,extBitBITSTRING(SIZE(1)),spareBitsBITSTRING(SIZE(2)),protocolProfileBITSTRING(SIZE(5)),componentsSETOFComponent}Table2:ASN.1typedefinitionRejectComponentASN.1TypeDefinitionTypeName:RejectComponentComments:RejectComponentisnotspecifictoanyparticularoperation.TheinvokeIDmaybeusedtoidentifyaspecificoperation.TypeDefinitionSEQUENCE{invokedIDCHOICE{invokeIDInvokeIDType,nullNULL},problemCHOICE{generalProblem[0]IMPLICITGeneralProblem,invokeProblem[1]IMPLICITInvokeProblem,returnResultProblem[2]IMPLICITReturnResultProblem,returnErrorProblem[3]IMPLICITReturnErrorProblem}}SIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)10Table3showsanexampleofhowASN.1canbeusedtomodelunorderedsequences.Table3:ASN.1typedefinitionFIESASN.1TypeDefinitionTypeName:FIESComments:TypeDefinitionSETOFFIEThepossibilitytouseTTCNandASN.1incombinationisused,i.e.referringtoanASN.1typefromaTTCNtype.6.1.1.3ASPtypedefinitions6.1.1.3.1TTCNASPtypedefinitionsTTCNASPtypedefinitionsonlycontainonePDUornoPDUatall.TherelationshipbetweenanASPtypeandaPDUtypeisone-to-one.Thatis,thereexistsoneASPtypedefinitionforeachPDUtypedefinition(ifthatASPtypecontainsaPDU).AllTTCNASPtypedefinitionsareprovidedwithafullidentifier.SomeASPsarenotparameterizedasshownintheexampleintable4.SuchASPsareonlyusedforrequestingorreceivingservicefromthelowerlayer.Table4:TTCNASPtypedefinitionDL_REL_INTTCNASPTypeDefinitionASPNAME:DL_REL_IN(DL_RELEASE_INDICATION)PCOType:SAPComments:ParameterName|ParameterType|CommentsDetailedComments:Table5showsanexampleofaparameterizedASP.AllASPscontainingPDUscontainonlythatPDUandnootherparameters.Table5:TTCNASPtypedefinitionDL_DATA_RQ_ALERTTTCNASPTypeDefinitionASPNAME:DL_DATA_RQ_ALERT(DL_DATA_REQUEST)PCOType:SAPComments:ParameterName|ParameterType|Commentsmun(MessageUnit)|ALERT_PDU|DetailedComments:6.1.1.3.2ASN.1ASPtypedefinitionsTherearenoASN.1ASPtypedefinitionsintheATS.6.1.1.4PDUtypedefinitions6.1.1.4.1TTCNPDUtypedefinitionsTheTTCNPDUtypereflectstheactualdatabeingtransferredorreceived.AllPDUsareembeddedinASPs.IfaspecificPDUtypedefinitioncontainselementsdefinedintermsofapre-definedtype,thatelementhasarestrictionattachedtoit.SIST EN 300 188-4 V1.3.3:2003
ETSIETSIEN300188-4V1.3.3(2000-05)116.1.1.4.2ASN.1PDUtypedefinitionsTherearenoASN.1PDUtypedefinitionsintheATS.6.1.2TestsuiteconstantsNotestsuiteconstantsareusedordefinedinthisATS.6.1.3TestsuiteparametersEachtestsuiteparameterisdefinedintermsofapredefinedtypeorareferencedtype.Areferencedtypeisusedwhenitisnecessarytoattachrestrictionstothesetypedefinitions(itisnotallowedtoincluderestrictionsdirectlyinthetestsuiteparametertable).Thereferencedtypecanhavealengthorvaluerestrictionattachedtoitinitsdeclarationtable.6.1.4Variables6.1.4.1TestsuitevariablesNotestsuitevariablesareusedordefinedinthisATS.6.1.4.2TestcasevariablesEachtestcasevariableisdefinedintermsofapredefinedtypeorareferencedtype.Areferencedtypeisusedwhenitisnecessarytoattachrestrictionstothesetypedefinitions(itisnotallowedtoincluderestrictionsdirectlyinthetestcasevariabletable).Thereferencedtypecanhavealengthorvaluerestrictionattachedtoitinitsdeclarationtable.Wheretestcasevariablesareusedinconstraints,theyarepassedasformalparameters.6.1.5Testsuiteoperationdefin
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