SIST EN 301 451-1 V1.1.4:2005

• Abstract:

  TSS&TP for CTM outgoing call handling. Supporting members: BT, Ericsson, Viag Interkom, Cegetel.

• Status: Published
• Publication Date: 31-Dec-2004
• ICS: 33.040.35 - Telephone networks
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jan-2005
• Due Date: 01-Jan-2005
• Completion Date: 01-Jan-2005
• Mandate: T-326
• Ref Project: ETSI EN 301 451-1 V1.1.4 (2000-09) - Private Integrated Services Network (PISN); Cordless Terminal Mobility (CTM); Inter-exchange signalling protocol; Cordless terminal outgoing call additional network feature (ANF-CTMO) for the VPN b service entry point; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification

SIST EN 301 451-1 V1.1.4:2005 is the Slovenian adoption of ETSI EN 301 451-1 V1.1.4 for Private Integrated Services Network (PISN) and Cordless Terminal Mobility (CTM) inter-exchange signalling. It specifies the Test Suite Structure and Test Purposes (TSS&TP) for the cordless terminal outgoing call additional network feature (ANF-CTMO) at the VPN “b” service entry point. In practice, it is the test-specification document that labs and equipment suppliers use to check outgoing call handling and compare implementations in a consistent way.

What does SIST EN 301 451-1 V1.1.4:2005 specify?

SIST EN 301 451-1 V1.1.4:2005 specifies TSS&TP for conformance testing of CTM outgoing call handling in PISN inter-exchange signalling. The document is aimed at improving the chance that independently developed implementations will interwork correctly.

The scope ties the test purposes to VPN scenarios at the “b” service entry point and bases the methodology on ISO/IEC 9646-1, ISO/IEC 9646-2 and ISO/IEC 9646-3. Clause 1 and the foreword also point to the companion Part 2, which carries the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma.

The document is organised into:

• Clause 1: scope
• Clause 2: references
• Clause 3: definitions and abbreviations
• Clause 4: Test Suite Structure (TSS)
• Clause 5: Test Purposes (TP)
• Clause 6: compliance
• Clause 7: requirements for a comprehensive testing service
• bibliography and history

What are the key requirements of SIST EN 301 451-1 V1.1.4:2005?

SIST EN 301 451-1 V1.1.4:2005 turns the base signalling behaviour into named test purposes and groups them by role. That matters because a test laboratory needs a stable way to select cases for an implementation that behaves as an Originating PINX or a Home PINX.

Test structure and naming

Clause 4 shows a two-group TSS for signalling procedures at the Originating PINX and the Home PINX. Clause 5.1.1 defines TP identifiers with the ANF name, the IUT role, a group code, and a sequence number. This makes test selection traceable when a PICS is used to choose cases.

Test strategy

Clause 5.1.4 says the TPs are derived from the base standard and the corresponding PICS proforma, and they only cover externally observable behaviour. The TP set is limited to situations a real implementation is likely to face, so the resulting test set is practical rather than theoretical.

Originating PINX behaviour

Clause 5.2.1 covers how an originating implementation sends SETUP, FACILITY and CONNECT ACKNOWLEDGE messages for complete and incomplete destination numbers. In practice, the IUT must be able to start a call, pass on additional address information when needed, and move to the correct call state after ALERTING and CONNECT.

Home PINX behaviour

Clause 5.2.2 covers how a home-side implementation forwards SETUP toward the destination PINX, issues CALL PROCEEDING, optionally sends PROGRESS, and joins the two calls when CONNECT arrives. It also covers the handling of extra digits and the timer T1 cases, which are important for routing decisions and timeout behaviour.

Validity and selection rules

The TP text uses user-side call states, with a mapping to equivalent network-side states. It also states that messages are treated as valid with the required mandatory information elements unless a TP says otherwise. For a test engineer, this means the same TP logic can be applied consistently on either side of the VPN b interface.

Compliance and test services

Clause 6 requires a compliant ATS to match the TP set or an allowed subset, use the same naming conventions, preserve the TP-to-PICS relationship, and follow ISO/IEC 9646-2. Clause 7 says a comprehensive testing service shall at minimum use the Remote test method from ISO/IEC 9646-2.

What terms does SIST EN 301 451-1 V1.1.4:2005 define?

• Abstract Test Suite (ATS) - A structured set of abstract test cases written for conformance testing.
• Implementation Under Test (IUT) - The implementation being tested against the specification.
• Protocol Implementation Conformance Statement (PICS) - The statement of supported features used to select relevant test cases.
• Protocol Implementation eXtra Information for Testing (PIXIT) - Extra implementation-specific information needed to run the tests.
• Test Purpose (TP) - A statement of what a test is intended to verify.
• Test Suite Structure (TSS) - The organisation of test groups and test purposes.
• Virtual Private Network (VPN) - The service context used here for the “b” service entry point.

Who uses SIST EN 301 451-1 V1.1.4:2005?

SIST EN 301 451-1 V1.1.4:2005 is used by test laboratories, protocol developers, equipment manufacturers, and operators working with PISN and CTM signalling. It is especially relevant to people who prepare or run conformance tests for network equipment claiming support for I-ETS 300808-related behaviour. Quality managers and buyers use it to check whether a product’s signalling support can be tested in a standardised way.

Which standards are used with SIST EN 301 451-1 V1.1.4:2005?

Standard	What it contributes
ETS 300 406	Standardisation methodology for protocol and profile conformance testing
ISO/IEC 9646-1	General concepts for conformance testing methodology and framework
ISO/IEC 9646-2	Abstract testsuites specification
ISO/IEC 9646-3	Tree and Tabular Combined Notation (TTCN)
EN 301 060-1	Definition of the VPN “b” service entry point context
I-ETS 300 808	Base ANF-CTMO protocol procedures used to generate the TPs
ETR 172	VPN services and networking aspects that support the service-entry-point context
Part 2 of EN 301 451	ATS and PIXIT proforma companion document

What does the SIST EN 301 451-1 V1.1.4:2005 document contain?

The document contains the TSS diagram, TP naming rules, a single-TP structure template, and the test purposes for Originating PINX and Home PINX behaviour. It also includes a state mapping between user-side and network-side call states, so the same message flow can be read from either side of the VPN b interface. The TP text covers message sequences such as SETUP, FACILITY, CALL PROCEEDING, PROGRESS, CONNECT and CONNECT ACKNOWLEDGE, plus timeout handling at Home PINX. Clause 6 gives the compliance rules for an ATS, and clause 7 states the minimum approach for a comprehensive testing service.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.]YUYLþQHJDHVNXãDQMDPrivate Integrated Services Network (PISN); Cordless Terminal Mobility (CTM); Inter-exchange signalling protocol; Cordless terminal outgoing call additional network feature (ANF-CTMO) for the VPN b service entry point; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification33.040.35Telefonska omrežjaTelephone networksICS:Ta slovenski standard je istoveten z:EN 301 451-1 Version 1.1.4SIST EN 301 451-1 V1.1.4:2005en01-januar-2005SIST EN 301 451-1 V1.1.4:2005SLOVENSKI
STANDARD
ETSIEN301451-1V1.1.4(2000-09)EuropeanStandard(Telecommunicationsseries)PrivateIntegratedServicesNetwork(PISN);CordlessTerminalMobility(CTM);Inter-exchangesignallingprotocol;Cordlessterminaloutgoingcalladditionalnetworkfeature(ANF-CTMO)fortheVPNbserviceentrypoint;Part1:TestSuiteStructureandTestPurposes(TSS&TP)specificationSIST EN 301 451-1 V1.1.4:2005

ETSIETSIEN301451-1V1.1.4(2000-09)2ReferenceDEN/SPS-05195-2KeywordsANF,CTM,mobility,PICS,PISN,QSIG,TSS&TPETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°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:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 451-1 V1.1.4:2005

ETSIETSIEN301451-1V1.1.4(2000-09)3ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.53Definitionsandabbreviations.63.1Definitions.63.2Abbreviations.64TestSuiteStructure(TSS).75TestPurposes(TP).75.1Introduction.75.1.1TPnamingconvention.75.1.2SourceofTPdefinition.75.1.3TPstructure.75.1.4Teststrategy.85.2TPsforANF-CTMO.85.2.1SignallingproceduresatOriginatingPINX.95.2.2SignallingproceduresatHomePINX.106Compliance.127Requirementsforacomprehensivetestingservice.12Bibliography.13History.14SIST EN 301 451-1 V1.1.4:2005

ETSIETSIEN301451-1V1.1.4(2000-09)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)hasbeenproducedbyETSITechnicalCommitteeSignallingProtocolandSwitching(SPS).ThepresentdocumentcoversthePrivateIntegratedServiceNetwork(PISN)Inter-exchangesignallingprotocol-CordlessTerminalOutgoingCalladditionalnetworkfeature-TestSuiteStructureandTestPurposes(TSS&TP)specification.Thepresentdocumentispart1ofamulti-partdeliverablecoveringCordlessterminaloutgoingcalladditionalnetworkfeature(ANF-CTMO)fortheVPNbserviceentrypoint,asidentifiedbelow:Part1:"TestSuiteStructureandTestPurposes(TSS&TP)specification";Part2:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proforma".NationaltranspositiondatesDateofadoptionofthisEN:8September2000DateoflatestannouncementofthisEN(doa):31December2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30June2001DateofwithdrawalofanyconflictingNationalStandard(dow):30June2001SIST EN 301 451-1 V1.1.4:2005

ETSIETSIEN301451-1V1.1.4(2000-09)51ScopeThepresentdocumentspecifiestheTestSuiteStructureandTestPurposes(TSS&TP)fortheCordlessTerminalLocationRegistrationsupplementaryserviceoftheInter-exchangesignallingprotocolforPrivateIntegratedServicesNetworks(PISN).Theobjectiveofthepresentdocumentistoprovideconformancetests,whichgiveagreaterprobabilityofinter-operability.TheTSS&TPspecificationcoverstheproceduresdescribedinI-ETS300808[5].TheISOstandardforthemethodologyofconformancetesting(ISO/IEC9646-1[2],ISO/IEC9646-2[3]andISO/IEC9646-3[6])isusedasbasisforthetestmethodology.TheTestSuiteStructureandTestPurposesspecifiedinthepresentdocumentareonlyintendedforVPNscenariosatthe"b"serviceentrypoint.TheVPN"b"serviceentrypointisdefinedinEN301060-1[4]andETR172[7].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ETSIETS300406(1995):"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;Standardizationmethodology".[2]ISO/IEC9646-1(1994):"Informationtechnology;OpenSystemsInterconnection;Conformancetestingmethodologyandframework;Part1:Generalconcepts".[3]ISO/IEC9646-2(1994):"Informationtechnology;OpenSystemsInterconnection;Conformancetestingmethodologyandframework;Part2:Abstracttestsuitespecification".[4]ETSIEN301060-1(V1.2):"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Basiccallcontrol;Enhancementatthe"b"serviceentrypointforVirtualPrivateNetwork(VPN)applications;Part1:Protocolspecification".[5]ETSII-ETS300808(1997):"PrivateIntegratedServicesNetwork(PISN);CordlessTerminalMobility(CTM);Inter-exchangesignallingprotocol;Cordlessterminaloutgoingcalladditionalnetworkfeature".[6]ISO/IEC9646-3(1998):"Informationtechnology;OpenSystemsInterconnection;Conformancetestingmethodologyandframework;Part3:TheTreeandTabularCombinedNotation(TTCN)".[7]ETSIETR172(1995):"BusinessTeleCommunications(BTC);VirtualPrivateNetworking(VPN);Servicesandnetworkingaspects;Standardizationrequirementsandworkitems".SIST EN 301 451-1 V1.1.4:2005

ETSIETSIEN301451-1V1.1.4(2000-09)63Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingdefinitionsapply:abstracttestcase:RefertoISO/IEC9646-1[2]AbstractTestSuite(ATS):RefertoISO/IEC9646-1[2]ImplementationUnderTest(IUT):RefertoISO/IEC9646-1[2]implicitsendevent:RefertoISO/IEC9646-3[6]lowertester:RefertoISO/IEC9646-1[2]ProtocolImplementationConformanceStatement(PICS):RefertoISO/IEC9646-1[2]PICSproforma:RefertoISO/IEC9646-1[2]ProtocolImplementationeXtraInformationforTesting(PIXIT):RefertoISO/IEC9646-1[2]TestPurpose(TP):RefertoISO/IEC9646-1[2]VirtualPrivateNetwork(VPN):RefertoEN301060-1[4]andETR172[7]3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ANFAdditionalNetworkFeatureANF-CTMICordlessTerminalIncomingCallAdditionalNetworkFeatureANF-CTMOAdditionalNetworkFeatureOutgoingCTMCallHandlingAPDUApplicationProtocolDataUnitASN.1AbstractSyntaxNotationno.1ATSAbstractTestSuiteCDIVCallDIVersionCTHOCordlessTerminalMobilityOutgoingCTMCordlessTerminalMobilityISDNIntegratedServicesDigitalNetworkIUTImplementationUnderTestNFENetworkFacilityExtensionPDUProtocolDataUnitPICSProtocolImplementationConformanceStatementPINXPrivateIntegratedServicesNetworkeXchangePISNPrivateIntegratedServicesNetworkPIXITProtocolImplementationeXtraInformationforTestingTPTestPurposeTSSTestSuiteStructureVPNVirtualPrivateNetworkSIST EN 301 451-1 V1.1.4:2005

ETSIETSIEN301451-1V1.1.4(2000-09)74TestSuiteStructure(TSS)SignallingproceduresattheQReferencePointGroupSignallingproceduresattheOriginatingPINXOrig01SignallingproceduresattheHomePINXHome01Figure1:Testsuitestructure5TestPurposes(TP)5.1IntroductionForeachtestrequirementaTPisdefined.5.1.1TPnamingconventionTPsarenumbered,startingat001,withineachgroup.GroupsareorganizedaccordingtotheTSS.Additionalreferencesareaddedtoidentifytheactualtestsuiteandwhetheritappliestothenetworkortheuser(seetable1).Table1:TPidentifiernamingconventionschemeIdentifier:_ ...