使用开源SIP协议栈编写的一个小测试程序，包括UA和UAS两部分，完成最基本的publish会话。注：简单起见，publish没有设置消息体。

PJSIP，一个用C编写，功能强大的开源SIP协议栈，采用优秀的内存分配机制编写，运行速度快，支持IM、Presence、PIDF、rPIDF等最新RFC，可以用来实现各种SIP应用。

PJSIP下载见本站。-use revenue SIP Protocol Stack prepared a small test procedures, including the UA and UAS two parts, completed basic publish conversation. Note : the sake of simplicity, publish the news- is not provided. PJSIP, with a C, the powerful revenue SIP protocol stack, using excellent memory allocation mechanism for the preparation, fast operation and support IM, Presence, PIDF. rPIDF-date RFC, which can be used for various SIP application. PJSIP download see the site.