IMS网络呼叫前转业务技术要求

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1、保密等级：中国电信集团公司技术标准Q/CT2089-2010IMS网络呼叫前转业务技术要求TechnicalRequirementsofCommunicationDiversionoverIMS（V2.0）200×-××-××发布1.1.1.1.1200×-××-××中国电信集团公司发布Q/CT2089-2010目录目录.....................................................................I前言....................................................

2、...............III呼叫前转业务技术要求.........................................................11范围.......................................................................12引用标准...................................................................13缩略语...............................................

3、......................14业务概述...................................................................24.1业务定义.................................................................24.2呼叫前转号码限制.........................................................35操作需求..........................................

4、.........................35.1业务开通/撤销.............................................................35.2业务激活与配置...........................................................35.3业务使用.................................................................46编码需求.......................................

5、............................46.1SIP消息..................................................................46.2参数.....................................................................57信令需求...................................................................57.1激活/去激活/注册.....................

6、.....................................57.2调用和操作...............................................................58与其他业务间的交互........................................................108.1呼叫保持（HOLD）.......................................................108.2被叫识别显示（TIP）.......................

7、..............................108.3被叫识别限制（TIR）.....................................................108.4主叫识别显示（OIP）.....................................................108.5主叫识别限制（OIR）.....................................................118.6会议（CONF）...................................

8、.....