【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Corporatetelecommunicationnetworks;SignallinginterworkingbetweenQSIGandH.323;Genericfunctionalprotocolforthesupportofsupplementaryservices
【原文标准名称】:信息技术系统间通信和信息交换团体电信网QSIG和H.323之间信号互通支持补充业务的一般功能协议
【标准号】:ISO/IEC21409-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;定义;通信规程;信息交换;协议;专业网;信号发送系统;网络互连;电信;数据处理;数据传输;发信号
【英文主题词】:Communicationprocedures;Dataprocessing;Datatransmission;Definitions;Informationinterchange;Informationtechnology;Networkinterconnection;Privatenetworks;Protocols;Signalling;Signallingsystems;Telecommunications
【摘要】:ThisInternationalStandardspecifiessignallinginterworkingbetween"QSIG"and"H.323"insupportofgenericfunctionalproceduresforsupplementaryserviceswithinaCorporatetelecommunicationNetwork(CN)."QSIG"isasignallingprotocolthatoperatesattheQreferencepointbetweenPrivateIntegratedServicesexchanges(PINX)withinaPrivateIntegratedServicesNetwork(PISN).TheQreferencepointisdefinedinISO/IEC11579-1.APISNprovidescircuit-switchedbasicservicesandsupplementaryservicestoitsusers.QSIGisspecifiedinotherStandards,inparticularISO/IEC11572(callcontrolinsupportofbasicservices),ISO/IEC11582(genericfunctionalprotocolforthesupportofsupplementaryservices)andanumberofstandardsspecifyingindividualsupplementaryservices."H.323"isasetofsignallingprotocolsforthesupportofvoiceormultimediacommunicationwithinapacketnetwork,inparticularapacketnetworkthatusestheInternetProtocol(IP)asitsnetworklayerprotocol(IPnetwork).H.323signallingprotocolsoperatebetweenendpointsinanIPnetwork,eitherindirectlyviaoneormoregatekeepers,ordirectly.Anendpointcanbeaterminaloragatewaytoanothernetwork.H.323isan"umbrella"recommendation,referringtovariousITU-Trecommendations,inparticularRecommendationsH.225.0andH.245(basiccommunicationcapabilities)andRecommendationH.450.1(genericfunctionalprotocolforthesupportofsupplementaryservices).NOTE-H.450.1appliestothe1998versionofH.323(alsoknownasH.323version2)andtolaterversions.InterworkingbetweenQSIGandH.323permitsacalloriginatingatauserofaPISNtoterminateatauserofanIPnetwork,oracalloriginatingatauserofanIPnetworktoterminateatauserofaPISN.InadditionthisInternationalStandardenablestheparticipantsofacalltoexchangesupplementaryservicecontrolinformationinagenericway.ThemorespecificaspectsofinterworkingparticularsupplementaryservicesarespecifiedinotherStandards.ThisInternationalStandardisapplicabletoanyinterworkingunitthatcanactasagatewaybetweenaPISNemployingQSIGandanIPnetworkemployingH.323.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35;33_160_60
【页数】:19P;A4
【正文语种】:英语