ydt 1522.4-2009 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

《ydt 1522.4-2009 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》由会员上传分享，免费在线阅读，更多相关内容在行业资料-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发布中华人民共和国工业和信息化部发布VOlT1522.4-2009目次…II1范围..................

2、.......…·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…....................................................................……........….................…95.5异常处理.................................

6、........….........…….....................…...................……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...........................