中国电信集团公司技术标准Q/CT2284-2010IMS网络PSTN仿真业务技术要求TechnicalRequirementsofPSTNEmulationServicesoverIMS（V1.0）20××-××-××发布20××-××-××实施中国电信集团公司发布保密等级：第2页共58页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共58页目录目录..........................................................................................................................................2前言..........................................................................................................................................41范围..................................................................................................................................62引用标准..........................................................................................................................63缩略语..............................................................................................................................64业务定义..........................................................................................................................75业务服务终端..................................................................................................................76系统架构..........................................................................................................................87业务特征..........................................................................................................................87.1主叫号码显示.......................................................................................................87.2主叫号码显示限制...............................................................................................87.3无条件呼叫前转...................................................................................................97.4遇忙呼叫前转.......................................................................................................97.5无应答呼叫前转...................................................................................................97.6呼叫等待..............................................................................................................97.7三方通话..............................................................................................................97.8查找恶意呼叫.......................................................................................................97.9呼出限制..............................................................................................................97.10免打扰..............................................................................................................97.11缩位拨号.........................................................................................................107.12热线服务.........................................................................................................107.13闹钟................................................................................................................107.14截接服务.........................................................................................................107.15缺席用户服务.................................................................................................108业务的配置和使用......................................
