SIST EN 300 356-17 V4.1.2:2004
(Main)Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 17: Call Waiting (CW) supplementary service [ITU-T Recommendation Q.733, clause 1 (1992) modified]
General Information
- Abstract
To create ETSI endorsement documents to ITU ISUP 2000.
- Status
- Published
- Publication Date
- 31-Mar-2004
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Apr-2004
- Due Date
- 01-Apr-2004
- Completion Date
- 01-Apr-2004
Overview
SIST EN 300 356-17 V4.1.2:2004 is a Slovenian standard that aligns with the European Standard EN 300 356-17 and is developed by SIST and endorsed by ETSI. It addresses the implementation of the Call Waiting (CW) supplementary service in the context of the Integrated Services Digital Network (ISDN) using Signalling System No. 7 (SS7), specifically the ISDN User Part (ISUP) version 4 for the international interface. This part corresponds to the functional descriptions and protocol requirements for Call Waiting, referencing and modifying ITU-T Recommendation Q.733, clause 1 (1992).
The purpose of this standard is to ensure that telecommunication operators across Europe have a harmonized framework for providing the Call Waiting service at the international level, supporting interoperability, consistent signalling protocols, and seamless service delivery.
Key Topics
- ISDN and SS7 Signalling: Defines protocol procedures and switching functions for the delivery of supplementary services over SS7-ISUP, focusing here on Call Waiting for international interfaces.
- Call Waiting (CW) Supplementary Service: Outlines the mechanisms by which an ISDN subscriber is notified of an incoming call while engaged, and how they can respond (accept, reject, or ignore).
- International Network Interworking: Provides requirements for ensuring that Call Waiting functions correctly when calls pass between countries and across telecom operators’ international gateway exchanges.
- Protocol Requirements: Specifies signalling message formats, parameters (such as notification indicators), and handling for international interoperability, with guidance for instances when national networks do not support the CW service.
- ETSI Endorsement and ITU Alignment: Facilitates compliance with ITU-T recommendations while detailing modifications for European network scenarios.
Applications
The standard has significant practical applications in modern and legacy telecommunications environments:
- International Voice Call Handling: Enables seamless Call Waiting functionality for subscribers making or receiving international ISDN voice calls, ensuring service continuity across borders.
- Public Network Operators: Assists European telecom operators in delivering consistent CW services on their ISDN offerings, especially crucial in transit and destination exchanges.
- Vendor and Equipment Integration: Provides essential requirements for telecommunication equipment manufacturers needing to develop ISUP-compliant switches and gateways.
- Testing and Compliance: Supports test houses and network planners in verifying protocol conformance and functional interoperability for CW supplementary services in pan-European ISDN networks.
Related Standards
This document is part of the broader EN 300 356 series for ISDN User Part (ISUP) version 4. Related and referenced standards include:
- EN 300 356-1: Basic services for ISUP version 4
- EN 300 356-2: ISDN supplementary services overview
- ETSI ETS 300 056 & ETSI ETS 300 057: Service description and functional capabilities for Call Waiting
- EN 300 058-1: Signalling System No. 1 protocol specification for CW
- EN 300 403-1: Network layer protocol for circuit-mode basic call control
- ITU-T Recommendations (Q.733, Q.761-Q.764, Q.730): Foundational documents for ISDN and supplementary services
This ensures operators and developers have access to a consistent framework for supporting and growing supplementary services across ISDN networks, furthering interoperability and service quality in international telecommunications.
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Frequently Asked Questions
SIST EN 300 356-17 V4.1.2:2004 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 17: Call Waiting (CW) supplementary service [ITU-T Recommendation Q.733, clause 1 (1992) modified]". This standard covers: To create ETSI endorsement documents to ITU ISUP 2000.
To create ETSI endorsement documents to ITU ISUP 2000.
SIST EN 300 356-17 V4.1.2:2004 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 300 356-17 V4.1.2:2004 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.VSUHPHQMHQR@Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 17: Call Waiting (CW) supplementary service [ITU-T Recommendation Q.733, clause 1 (1992) modified]33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 300 356-17 Version 4.1.2SIST EN 300 356-17 V4.1.2:2004en01-april-2004SIST EN 300 356-17 V4.1.2:2004SLOVENSKI
STANDARD
ETSIEN300356-17V4.1.2(2001-07)EuropeanStandard(Telecommunicationsseries)IntegratedServicesDigitalNetwork(ISDN);SignallingSystemNo.7(SS7);ISDNUserPart(ISUP)version4fortheinternationalinterface;Part17:CallWaiting(CW)supplementaryservice[ITU-TRecommendationQ.733,clause1(1992)modified]SIST EN 300 356-17 V4.1.2:2004
ETSIETSIEN300356-17V4.1.2(2001-07)2ReferenceREN/SPAN-01082-17KeywordsISDN,ISUP,SS7,supplementaryservice,CW,endorsementETSI650RoutedesLuciolesF-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 300 356-17 V4.1.2:2004
ETSIETSIEN300356-17V4.1.2(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).Thepresentdocumentispart17ofamulti-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]";SIST EN 300 356-17 V4.1.2:2004
ETSIETSIEN300356-17V4.1.2(2001-07)4Part17:"CallWaiting(CW)supplementaryservice[ITU-TRecommendationQ.733,clause1(1992)modified]";Part18:"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".InaccordancewithITU-TRecommendationI.130[1],thefollowingthreelevelstructureisusedtodescribethesupplementarytelecommunicationservicesasprovidedbyEuropeanpublictelecommunicationsoperatorsunderthepan-EuropeanIntegratedServicesDigitalNetwork(ISDN):-Stage1:isanoverallservicedescription,fromtheuser'sstand-point;-Stage2:identifiesthefunctionalcapabilitiesandinformationflowsneededtosupporttheservicedescribedinstage1;and-Stage3:definesthesignallingsystemprotocolsandswitchingfunctionsneededtoimplementtheservicedescribedinstage1.Thepresentdocumentdetailsthestagethreeaspects(signallingsystemprotocolsandswitchingfunctions)neededtosupporttheCallWaiting(CW)supplementaryservice.Thestage1andstage2aspectsaredetailedinETS300056[2]andETS300057[3],respectively.Nationaltranspositionda
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