RFC documentation of the SIP, 3261,3264,3428,3265,2327. 2,543, most of whom are Chinese, there is the People's Republic of China telecommunications industry standards on the SIP standard.

Packet : 13898377sip(rfc).rar filelist
oSIP开发者手册.rar
rfc3261cn.rar
RFC3263.zip
rfc3265.zip
rfc3428.zip
SDP2327.rar
SIP(rfc2543).rar
VoIP using SIP and Java.rar
会话初始协议技术要求.rar

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