一个简化osip协议栈的库使用说明，很好用，exosip英文版，另外可以在本人空间下载osip3.0.1和osipparser3.0.1以及exosip3.0.1亲测可用。-A simplified protocol stack library osip instructions, easy to use, exosip English, the other can I download osip3.0.1 and osipparser3.0.1 space and exosip3.0.1 pr

pjsip:sip协议栈源码，可在Linux和windows下编译生成库文件。进行应用开发。-pjsip: sip protocol stack source code can be compiled under Linux and windows to generate a library file. Application development.

exoSip的库函数,本手册指导开发者利用exoSip 栈开发用户代理-The descr iption of exoSip stack!