SIST EN 301 069-1 V1.3.1:2003

• Abstract:

  Integrated Service Digital Network (ISDN); Signalling System No. 7; Application Transport Mechanism (APM) version 2

• Status: Published
• Publication Date: 31-Oct-2003
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Nov-2003
• Due Date: 01-Nov-2003
• Completion Date: 01-Nov-2003
• Ref Project: ETSI EN 301 069-1 V1.3.1 (2001-02) - Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP); Application transport mechanism; Part 1: Protocol specification [ITU-T Recommendation Q.765, modified]

SIST EN 301 069-1 V1.3.1:2003 is the Slovenian adoption of an ETSI European Standard for the Integrated Services Digital Network (ISDN) User Part (ISUP) application transport mechanism in Signalling System No.7 (SS7). It specifies Application Transport Mechanism (APM) version 2 for pan-European ISDN and gives the protocol rules that carry application signalling information. The standard is written for organizations that design, implement, or test ISDN signalling nodes and APM-user applications.

What does SIST EN 301 069-1 V1.3.1:2003 specify?

SIST EN 301 069-1 V1.3.1:2003 defines the additions to ISUP that provide a transport mechanism for applications needing a bearer together with signalling information flow. It is based on ITU-T Recommendation Q.765, with modifications for the European ISDN environment.

The document is organized around a scope clause, a references clause, and two informative appendices.

Annex	What it covers
Appendix I	Example sequence diagrams of APM segmentation
Appendix II	Setting of parameter and message instruction indicators

The scope also states that the application definitions themselves belong in the applications’ own specifications. In practice, that means this standard defines the transport behavior, not the business logic of each application.

What are the key requirements of SIST EN 301 069-1 V1.3.1:2003?

SIST EN 301 069-1 V1.3.1:2003 describes how APM works in ISUP, how nodes address each other, and how older and newer APM generations interact. The key points are in the modified scope and references clauses.

Transport role and APM capabilities

• The standard specifies APM for the pan-European ISDN as provided by European public telecommunications operators. For implementers, this is the baseline behavior the network-side protocol must support.
• APM is said to provide the same capabilities to its users as Transaction Capabilities Application Part (TCAP). In practice, that tells designers that APM is intended for comparable application transport functions within ISUP.
• The mechanism can create signalling associations between application logic at a Public Initiating Node (PIN) and peer application logic at a Public Addressed Node (PAN). This is the core call-path relationship that the protocol manages.

Addressing and compatibility behavior

• APM-user applications can use both implicit and explicit APM addressing. That matters because the addressing method affects how application information is routed and how errors are reported.
• Applications originally designed for APM'98 can be supported without alteration, and APM'98-user and APM'2000-user applications are distinguished by application context identifiers. This is important for backward compatibility in mixed networks.
• The standard warns about two specific interaction cases when APM'98 and APM'2000 nodes coexist on a call path. In practice, operators and vendors need to check how intermediate older nodes handle application transport parameters and error notifications.
• Future standardized applications shall not be defined as APM'98-user applications. That guidance affects new implementation profiles and migration planning.
• For a given application using non-explicit addressing, only one PIN/PAN relationship may exist over the same segment of the call path, while explicit addressing allows overlapping PIN/PAN relationships. This affects routing design and application association setup.

Informative appendices

• Appendix I gives example sequence diagrams for APM segmentation, which helps implementers understand message flow.
• Appendix II explains the setting of parameter and message instruction indicators, which is useful when configuring or testing protocol messages.

What terms does SIST EN 301 069-1 V1.3.1:2003 define?

• Integrated Services Digital Network (ISDN) - the digital telecommunication network framework addressed by the standard.
• Signalling System No.7 (SS7) - the signalling system used to carry the ISUP and APM procedures.
• ISDN User Part (ISUP) - the SS7 user part that carries call control signalling and is extended here for application transport.
• Application Transport Mechanism (APM) - the ISUP-based transport function defined by the standard for application signalling information.
• Public Initiating Node (PIN) - the node where the initiating APM-user application logic is located.
• Public Addressed Node (PAN) - the peer node that receives the addressed application logic.
• Application context identifier - the identifier used to distinguish APM'98-user applications from APM'2000-user applications.
• Errors Handling Application Service Element (EHASE) - the service element mentioned for sending error notifications in explicit-addressing scenarios.

Who uses SIST EN 301 069-1 V1.3.1:2003?

SIST EN 301 069-1 V1.3.1:2003 is used by telecom standards engineers, switch and signalling equipment vendors, and network operators working with ISDN and SS7. It is also relevant to teams that design APM-user applications, because the standard defines how those applications are transported and addressed in the network.

Quality and test teams use it when checking interoperability between PIN and PAN nodes, especially in mixed APM'98 and APM'2000 environments. Conformance testers can use the protocol behavior and the appendices to build and interpret segmentation and indicator-setting test cases.

What changed in SIST EN 301 069-1 V1.3.1:2003 from the previous edition?

SIST EN 301 069-1 V1.3.1:2003 replaces EN 301 069-1 V1.2.4. The publication history in the document shows the progression through V1.2.2, V1.2.3, V1.2.4, and this V1.3.1 version.

Which standards are used with SIST EN 301 069-1 V1.3.1:2003?

• ETSI EN 300 356-1 (V4.1.1) - provides the ISUP basic services for the international interface and is referenced for the related ITU-T Q.761 to Q.764 material.
• ITU-T Recommendation Q.1400 - provides the architecture framework for signalling and OA&M protocols using OSI concepts.
• ETSI EN 301 069-1 (V1.2.4) - is the referenced earlier version used in the modified mapping for ITU-T Recommendation Q.765.

What does the SIST EN 301 069-1 V1.3.1:2003 document contain?

The document contains the modified version of ITU-T Recommendation Q.765 for APM version 2, including the revised scope and references clauses. It also includes the reference mapping that replaces Q.761 to Q.765 references with ETSI documents where stated.

Beyond the protocol text, the document includes informative Appendix I and Appendix II, which support implementation with example segmentation diagrams and indicator-setting guidance. It also carries the foreword, endorsement notice, IPR notice, and publication history.

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); Application transport mechanism; Part 1: Protocol specification [ITU-T Recommendation Q.765, modified]33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 301 069-1 Version 1.3.1SIST EN 301 069-1 V1.3.1:2003en01-november-2003SIST EN 301 069-1 V1.3.1:2003SLOVENSKI
STANDARD
ETSIEN301069-1V1.3.1(2001-02)EuropeanStandard(Telecommunicationsseries)IntegratedServicesDigitalNetwork(ISDN);SignallingSystemNo.7(SS7);ISDNUserPart(ISUP);Applicationtransportmechanism;Part1:Protocolspecification[ITU-TRecommendationQ.765,modified]SIST EN 301 069-1 V1.3.1:2003

ETSIETSIEN301069-1V1.3.1(2001-02)2ReferenceREN/SPAN-01083KeywordsISDN,SS7,ISUP,APM,protocolETSI650RoutedesLuciolesF-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 301 069-1 V1.3.1:2003

ETSIETSIEN301069-1V1.3.1(2001-02)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).Thepresentdocumentispart1ofamulti-partdeliverablecoveringtheIntegratedServicesDigitalNetwork(ISDN);SignallingSystemNo.7;ISDNUserPart(ISUP);Applicationtransportmechanism,asidentifiedbelow:Part1:"Protocolspecification[ITU-TRecommendationQ.765,modified]";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specification";NationaltranspositiondatesDateofadoptionofthisEN:9February2001DateoflatestannouncementofthisEN(doa):31May2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30November2001DateofwithdrawalofanyconflictingNationalStandard(dow):30November2001EndorsementnoticeTheelementsofITU-TRecommendationQ.765(2000)apply,withthefollowingmodifications:SIST EN 301 069-1 V1.3.1:2003

ETSIETSIEN301069-1V1.3.1(2001-02)4GlobalmodificationstoITU-TRecommendationQ.765Replacethetwoclauses(ScopeandReferences)withthefollowingtwoclauses:1ScopeThepresentdocumentdescribestheadditionstotheISDNUserPart(ISUP)forprovidingatransportmechanismusedbyapplicationsrequiringabearerinconjunctionwiththesupportoftheapplication'ssignallinginformationflow.ItspecifiestheApplicationTransportMechanism(APM)forthepan-EuropeanIntegratedServicesDigitalNetwork(ISDN)asprovidedbytheEuropeanpublictelecommunicationsoperators.Thistransportmechanismshallprovidethesamecapabilitiesa
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