YDT1522.4-2009会话初始协议(SIP)技术要求基于软交换网络呼叫控制的SIP协议.pdf

《YDT1522.4-2009会话初始协议(SIP)技术要求基于软交换网络呼叫控制的SIP协议.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、ICS33.040.30M12YO中华人民共和国通信行业标准YDfT1522.4-2009会话初始协议(SIP)技术要求第4部分:基于软交换网络呼叫控制的SIP协议TechnicalRequirementsforSessionInitiationProtocolPart4SIP'sApplicationsaboutcallcontrolBasedonSoftswitchNetwork2009-06-15发布2009-09-01实施中华人民共和国工业和信息化部发布VOlT1522.4-2009目次…II

2、1范围.........................…·2规范性引用文件........…..3术语v定义和缩略语.................4概述.......................…..............................................................................…················24.1SIP协议在软交换网络中的应用....................................

3、..….................................……'24.2对用户标识/编号的要求……....................….............................................…........…"34.3传输机制........……...........................….........…...."....….........….........…················45SIP消息...........

4、.................................….......................................…........................…'45.1SIP请求消息…........…..................…...........................….........….........................…45.2SIP响应消息......................................

5、............................................….................…55.3软交换支持的SIP头宇段.......................…...........................…..................…··········75.4SIP-l消息…....................................................................……........…..

6、...............…95.5异常处理.........................................….........…….....................…...................……96SIP在软交换网络中基于呼叫控制的应用......................................................·····················106.1概述..............................

7、..............................…................…............................…"106.2基本业务………………………………………………………………………………………………106.3补充业务..........................….........……........…...............................…···················137其他规定........….......

8、....................…......................................................···················167.1连通性检查..................................................….........….........….........................…167.2对预置条件的支持...............