SIST EN 300 356-2 V4.1.2:2003

• Abstract:

  To create ETSI endorsement documents to ITU ISUP 2000.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• 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
• Ref Project: ETSI EN 300 356-2 V4.1.2 (2001-07) - Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 2: ISDN supplementary service [ITU-T Recommendation Q.730 (1999) modified]

SIST EN 300 356-2 V4.1.2:2003 is the Slovenian adoption of ETSI EN 300 356-2 V4.1.2, based on ITU-T Recommendation Q.730 (1999) with ETSI modifications. It specifies common procedures for ISDN supplementary services over Signalling System No. 7 (SS7) using the ISDN User Part (ISUP) version 4 international interface. It is written for telecom operators, switch vendors, and test teams that need to implement or verify ISDN interconnection behavior.

What does SIST EN 300 356-2 V4.1.2:2003 specify?

SIST EN 300 356-2 V4.1.2:2003 specifies procedures that are common to multiple supplementary services in pan-European Integrated Services Digital Network (ISDN) networks carried by SS7 ISUP. It focuses on the international interface, while retaining the message formats, codes, and exchange actions needed for interconnection.

The document is organized into 13 clauses plus informative Annexes A and B and an informative Appendix II. Its structure is designed so implementers can find the service description, signalling rules, and interaction rules in separate places.

Annex / appendix	What it covers
Annex A	Signalling flows
Annex B	Interworking aspects
Appendix II	A network option

What are the key requirements of SIST EN 300 356-2 V4.1.2:2003?

The main requirement in SIST EN 300 356-2 V4.1.2:2003 is to follow the ISUP procedures defined for supplementary services in the international ISDN interface. In practice, this is the rule set a network or switch must use when it supports these services between networks.

• Scope and applicability - The scope says the procedures are common to multiple supplementary services on SS7 ISUP for ISDN. This matters because the standard is about shared signaling behavior, not one single service.
• Network boundary - The document does not add protocol requirements for service delivery through a non-ISDN network or for the national signalling interface. In practice, operators use it for international interconnection, not as a full national-network design rule.
• International interconnection behavior - The specification keeps the formats, codes, and procedures used at originating and destination local exchanges, even though it applies to international interconnection. This matters because gateways still need to understand local exchange behavior at the network edge.
• National-use and Not Required items - Items marked for national use are kept for information, and items marked “Not Required” are not required to be supported. This helps an implementer separate mandatory international behavior from optional national behavior.
• Operational requirements - Clauses 6.1 to 6.3 cover provision and withdrawal and requirements on the originating and destination network sides. That is where a supplier or operator checks when a service may be offered and what each network side must handle.
• Signalling procedures - Clause 9 covers activation, deactivation, registration, and exchange actions at originating, transit, outgoing gateway, incoming gateway, and destination local exchanges. This is the operational core for switch software and interoperability testing.
• Interactions and timing - Clauses 10 and 11 cover interworking with other networks and interactions with other supplementary services, while Clause 12 gives parameter values such as timers. In practice, this is what prevents service conflicts and supports consistent timeout settings.

What terms does SIST EN 300 356-2 V4.1.2:2003 define?

• ISDN - Integrated Services Digital Network, the digital telephony environment addressed by the standard.
• SS7 - Signalling System No.7, the signalling system used to exchange call-control information between networks.
• ISUP - ISDN User Part, the SS7 protocol part used for call and supplementary-service signalling.
• Supplementary service - An added telecommunication service such as call waiting, call transfer, or number identification.
• PICS - Protocol Implementation Conformance Statement, a conformance description used in the companion test and conformance parts.
• TSS&TP - Test Suite Structure and Test Purposes, the framework used to define test coverage and test intent.
• PIXIT - Partial Protocol Implementation eXtra Information for Testing, implementation details needed to run tests correctly.

Who uses SIST EN 300 356-2 V4.1.2:2003?

SIST EN 300 356-2 V4.1.2:2003 is used by public telecom operators, ISDN switch manufacturers, signalling equipment suppliers, and conformance laboratories. It is also useful to quality managers and buyers who need to check whether a product or network platform supports the required ISUP supplementary-service behavior. Typical tasks include implementation design, interoperability checks, test planning, and conformance documentation.

What changed in SIST EN 300 356-2 V4.1.2:2003 from the previous edition?

SIST EN 300 356-2 V4.1.2:2003 follows the earlier V4.1.1 edition and keeps the same role as an endorsement of ITU-T Recommendation Q.730 (1999) with modifications. The stated changes include updated global modifications to the scope and references, replacement of several ITU-T references with the corresponding modified ETSI parts, deletion of two study-related sentences in subclauses 1.3.2 and 1.3.5, retitling of subclauses 1.3.6 and 1.4 as “Not required”, and the addition of clause 1.5 giving the agreed document format for supplementary-service specifications.

Which standards are used with SIST EN 300 356-2 V4.1.2:2003?

Reference	What it contributes
ITU-T Recommendation I.130	Framework for characterizing telecommunication services supported by an ISDN
ETS 300 121	Earlier ISUP version 1 specification for international ISDN interconnections
EN 300 356-1	Basic services part of the ISUP version 4 series
EN 300 356-3 to EN 300 356-20	Companion parts for specific supplementary services such as CLIP, CLIR, COLP, COLR, TP, UUS, CUG, SUB, MCID, CONF, ECT, diversion, HOLD, CW, CCBS, 3PTY, CCNR, and ACR

What does the SIST EN 300 356-2 V4.1.2:2003 document contain?

The document contains a full clause structure for ISDN supplementary-service support: scope, references, definitions, symbols and abbreviations, description, operational requirements, coding requirements, state definitions, signalling procedures, interactions, parameter values, and dynamic description. Clause 11 is especially useful because it organizes interactions with other supplementary services such as call waiting, call hold, call transfer, number identification services, diversion services, and user-to-user signalling. Annex A provides signalling flows for implementation work and test preparation. Annex B covers interworking aspects, and Appendix II describes a network option.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 2: ISDN supplementary service [ITU-T Recommendation Q.730 (1999) modified]33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 300 356-2 Version 4.1.2SIST EN 300 356-2 V4.1.2:2003en01-december-2003SIST EN 300 356-2 V4.1.2:2003SLOVENSKI
STANDARD
ETSIEN300356-2V4.1.2(2001-07)EuropeanStandard(Telecommunicationsseries)IntegratedServicesDigitalNetwork(ISDN);SignallingSystemNo.7(SS7);ISDNUserPart(ISUP)version4fortheinternationalinterface;Part2:ISDNsupplementaryservice[ITU-TRecommendationQ.730(1999)modified]SIST EN 300 356-2 V4.1.2:2003

ETSIETSIEN300356-2V4.1.2(2001-07)2ReferenceREN/SPAN-01082-02KeywordsISDN,ISUP,SS7,supplementaryservice,endorsementETSI650RoutedesLuciolesF-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.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 356-2 V4.1.2:2003

ETSIETSIEN300356-2V4.1.2(2001-07)3IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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)hasbeenproducedbyETSITechnicalCommitteeServicesandProtocolsforAdvancedNetworks(SPAN).Thepresentdocumentispart2ofamulti-partdeliverablecoveringtheISDNUserPart(ISUP)version4fortheinternationalinterface,asidentifiedbelow:Part1:"Basicservices[ITU-TRecommendationsQ.761toQ.764(1999)modified]";Part2:"ISDNsupplementaryservice[ITU-TRecommendationQ.730(1999)modified]";Part3:"CallingLineIdentificationPresentation(CLIP)supplementaryservice[ITU-TRecommendationQ.731,clause3(1993)modified]";Part4:"CallingLineIdentificationRestriction(CLIR)supplementaryservice[ITU-TRecommendationQ.731,clause4(1993)modified]";Part5:"ConnectedLineIdentificationPresentation(COLP)supplementaryservice[ITU-TRecommendationQ.731,clause5(1993)modified]";Part6:"ConnectedLineIdentificationRestriction(COLR)supplementaryservice[ITU-TRecommendationQ.731,clause6(1993)modified]";Part7:"TerminalPortability(TP)supplementaryservice[ITU-TRecommendationQ.733,clause4(1993)modified]";Part8:"User-to-UserSignalling(UUS)supplementaryservice[ITU-TRecommendationQ.737,clause1(1997)modified]";Part9:"ClosedUserGroup(CUG)supplementaryservice[ITU-TRecommendationQ.735,clause1(1993)modified]";Part10:"Subaddressing(SUB)supplementaryservice[ITU-TRecommendationQ.731,clause8(1992)modified]";Part11:"MaliciousCallIdentification(MCID)supplementaryservice[ITU-TRecommendationQ.731,clause7(1997)modified]";Part12:"ConferenceCall,add-on(CONF)supplementaryservice[ITU-TRecommendationQ.734,clause1(1993)andimplementorsguide(1998)modified]";Part14:"ExplicitCallTransfer(ECT)supplementaryservice[ITU-TRecommendationQ.732,clause7(1996)andimplementorsguide(1998)modified]";Part15:"Diversionsupplementaryservice[ITU-TRecommendationQ.732,clauses2to5(1999)modified]";Part16:"CallHold(HOLD)supplementaryservice[ITU-TRecommendationQ.733,clause2(1993)modified]";Part17:"CallWaiting(CW)supplementaryservice[ITU-TRecommendationQ.733,clause1(1992)modified]";SIST EN 300 356-2 V4.1.2:2003

ETSIETSIEN300356-2V4.1.2(2001-07)4Part18:"CompletionofCallstoBusySubscriber(CCBS)supplementaryservice[ITU-TRecommendationQ.733,clause3(1997)modified]";Part19:"Three-Party(3PTY)supplementaryservice[ITU-TRecommendationQ.734,clause2(1996)andimplementorsguide(1998)modified]";Part20:"CompletionofCallsonNoReply(CCNR)supplementaryservice[ITU-TRecommendationQ.733,clause5(1999)modified]";Part21:"AnonymousCallRejection(ACR)supplementaryservice[ITU-TRecommendationQ.731,clause4(1993)]";Part31:"ProtocolImplementationConformanceStatement(PICS)proformaspecificationforbasicservices";Part32:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforbasicservices";Part33:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforbasicservices";Part34:"ProtocolImplementationConformanceStatement(PICS)proformaspecificationforsupplementaryservices";Part35:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforsupplementaryservices";Part36:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforsupplementaryservices".NationaltranspositiondatesDateofadoptionofthisEN:13July2001DateoflatestannouncementofthisEN(doa):31October2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30April2002DateofwithdrawalofanyconflictingNationalStandard(dow):30April2002EndorsementnoticeTheelementsofITU-TRecommendationQ.730(1999)apply,withthefollowingmodifications.NOTE:Newormodifiedtextisindicatedusingsidebars.Inaddition,underliningand/orstrike-outareusedtohighlightdetailedmodificationswherenecessary.SIST EN 300 356-2 V4.1.2:2003

ETSIETSIEN300356-2V4.1.2(2001-07)5GlobalmodificationstoITU-TRecommendationQ.730Replacethetwoclauses"Scope"and"References"withthefollowingtwoclauses(ScopeandReferences).ScopeThepresentdocumentspecifiesproceduresthatarecommontomultiplesupplementaryservicesdefinedforthepan-EuropeanIntegratedServicesDigitalNetwork(ISDN)asprovidedbytheEuropeanpublictelecommunicationsoperatorsbymeansoftheSignallingSystemNo.7protocolfortheISDNUserPart(ISUP).Thepresentdocumentidentifiestheprotocolproceduresandswitchingfunctionsneededtosupporttelecommunicationservices(seeITU-TRecommendationI.130[1]).ThepresentdocumentdoesnotspecifytheadditionalprotocolrequirementswheretheserviceisprovidedtotheuserviaatelecommunicationsnetworkthatisnotanISDN.Thepresentdocumentdoesnotspecifytheadditionalprotocolrequirementsforthenationalsignallinginterface.Althoughthepresentdocumentappliesonlytotheinternationalinterconnection,thespecificationoffunctions,formatsandcodesofmessagesandsignals,andactionsperformedatoriginatinganddestinationlocalexchangesareretained.Formats,codesandproceduresmarkedfornationaluseareincludedforinformativepurposesfortheinternationalinterfacespecification.Iftheseitemssomarkedaresupportedwithinanationalnetworkandoperator'snetwork,thenitisproposedthattheyshallbesupportedinthismanner.Itemsinthepresentdocumentmarked"NotRequired"arenotrequiredtobesupported.NOTE:Inthecasewhereanationalsignallingsystembehavesdifferently,theinternationalgatewayexchangeistosupportboththeconcernednationalandinternationalnetwork.ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublicationand/oreditionnumberorversionnumber)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ITU-TRecommendationI.130(1988):"MethodforthecharacterizationoftelecommunicationservicessupportedbyanISDNandnetworkcapabilitiesofanISDN".[2]ETSIETS300121(1992):"IntegratedServicesDigitalNetwork(ISDN);ApplicationoftheISDNUserPart(ISUP)ofCCITTSignallingSystemNo.7forinternationalISDNinterconnections(ISUPversion1)".[3]ETSIEN300356-1:"IntegratedServicesDigitalNetwork(ISDN);SignallingSystemNo.7(SS7);ISDNUserPart(ISUP)version4fortheinternationalinterface;Part1:Basicservices[ITU-TRecommendationsQ.761toQ.764(1999)modified]".[4]ETSIEN300356-3:"IntegratedServicesDigitalNetwork(ISDN);SignallingSystemNo.7(SS7);ISDNUserPart(ISUP)version4fortheinternationalinterface;Part3:CallingLineIdentificationPresentation(CLIP)
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