upnp设备无关,网络通信协议,流媒体协议,适应与所有操作系统

twonkymedia-server用于upnp协议的服务器-twonkymedia-server server for upnp protocol

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