Description: People' s Republic of China communication industry standard- Session Initiation Protocol based on the technical requirements of the second part of Session Initiation Protocol (SIP) call control application (draft)
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- [SIP_2] - Session Initiation Protocol (SIP protoco
- [IP] - People' s Republic of China communica
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会话初始协议技术要求 第二部分 基于会话初始协议（SIP）的呼叫控制的应用（征求意见稿）.pdf
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