ISO/IEC 14845-1996 信息技术.系统间的远程通信与信息交换.专用综合业务网(PISN).规范、功能模型和信息流.呼叫占用补充业务

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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Privateintegratedservicesnetwork-Specification,functionalmodelandinformationflows-Callintrusionsupplementaryservice
【原文标准名称】:信息技术.系统间的远程通信与信息交换.专用综合业务网(PISN).规范、功能模型和信息流.呼叫占用补充业务
【标准号】:ISO/IEC14845-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-09
【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】:通信网;呼叫传输;定义;信息流;电信;数据传送;传播方式;综合业务数字网;电信设备;信息技术;专业网
【英文主题词】:Calltransmission;Communicationnetworks;Communicationprocesses;Communicationservice;Datatransfer;Definitions;Informationflow;Informationtechnology;ISDN;Privatenetworks;Telecommunications
【摘要】:ThisInternationalStandardspecifiestheCallIntrusionsupplementaryservice(SS-CI),whichisapplicabletovariousbasicservicessupportedbyPrivateIntegratedServicesNetworks(PISN).BasicservicesarespecifiedinISO/IEC11574.CallIntrusion(SS-CI)isasupplementaryservicewhich,onrequestfromtheserveduser,enablestheservedusertoestablishcommunicationwithabusycalleduser(userB)bybreakingintoanestablishedcallbetweenuserBandathirduser(userC).Supplementaryservicespecificationsareproducedinthreestages,accordingtothemethoddescribedinCCITTRecommendationI.130.ThisInternationalStandardcontainsthestage1andstage2specificationsofSS-CI.Thestage1specification(clause6)specifiesthesupplementaryserviceasseenbyusersofPISNs.Thestage2specification(clause7)identifiesthefunctionalentitiesinvolvedinthesupplementaryserviceandtheinformationflowsbetweenthem.Note-ForthisInternationalStandard,stage2doesnotconsiderthesplitoffunctionalitybetweenafunctionalterminalatuserBandthelocalPINX.TerminalfunctionsandlocalPINXfunctionsatuserBareincludedinthesameFunctionalEntity.
【中国标准分类号】:M11
【国际标准分类号】:33_040_40;35_110
【页数】:73P.;A4
【正文语种】:英语