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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-PrivateIntegratedServicesNetwork;Specification,functionalmodelandinformationflows;CallIdentificationandCallLinkageAdditionalNetworkFeature
【原文标准名称】:信息技术系统间通信和信息交换个人综合业务网规范、功能模型和信息流呼叫识别和呼叫连接补充网络特征
【标准号】:ISO/IEC21888-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-09
【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】:呼叫传输;数据传送;信息技术;电信;补充业务;专业综合业务网;电话局;数据处理;定义;综合业务数字网;专业网络;信息交换
【英文主题词】:Calltransmission;Dataprocessing;Datatransfer;Definitions;Informationinterchange;Informationtechnology;ISDN;PISN;Privateintegratedservicesnetworking;Privatenetworks;Supplementaryservices;Telecommunications;Telephoneservices
【摘要】:ThisInternationalStandardspecifiestheAdditionalNetworkFeature(ANF)CallIdentificationandCallLinkage(CIDL),whichisapplicabletovariousbasicservicessupportedbyPrivateIntegratedServicesNetworks(PISN).BasicservicesarespecifiedinISO/IEC11574.ANF-CIDLisanadditionalnetworkfeaturewhichallowstheidentificationandcorrelationofcallsthroughoutaPISNbyassigningunambiguousidentifierstoeachnewcallandalso,asanoption,totransformedandlogicallylinkedcalls.NOTE1-ThisANFhasbeendevelopedtosupporttheuseofCSTA(ISO/IEC18051)inanetworkedenvironment,i.e.inaPISN.UseofthisANFforotherapplicationsisnotprecluded.Supplementaryservicespecificationsareproducedinthreestages,accordingtothemethoddescribedinETS300387.ThisInternationalStandardcontainsthestage1andstage2specificationsofANF-CIDL.Thestage1specification(clause6)specifiesthegeneralfeatureprinciplesandcapabilities.Thestage2specification(clause7)identifiestheFunctionalEntitiesinvolvedinthesupplementaryserviceandtheinformationflowsbetweenthem.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:16P;A4
【正文语种】:英语