用C＋＋语言写的开源SIP协议栈源码 编译环境为vs.net 2003-C + + language to write open-source SIP protocol stack source compiler environment vs.net 2003

SIP协议栈，非常少的c#版的，类似c++的pjsip是开源的，同时兼容了底层的stun，upnp，mail，ftp等协议栈-sip stack in c# version ,it is like pjsip ,it is open source in c#,including sip mail stun upnp nat and so on

Sipek Softphone is an open source project that is intended to share common VoIP software design concepts and practices. Beside that it s a simple and easy-to-use SIP softphone with many useful features. New version released - Sipek Softphone v0.