著名的SIP协议栈，为GNU开源项目。通过其提供的API接口，可以轻易开发出基于SIP协议栈的VOIP应用程序。-famous SIP protocol stack for the GNU open source projects. Through its interface with the API, can easily develop SIP-based VoIP protocol stack applications.

Raknet是一个基于UDP网络传输协议的C++网络库，允许程序员在他们自己的程序中实现高效的网络传输服务。通常情况下用于游戏，但也可以用于其它项目。-The Raknet is based the UDP network transmission protocol C++ network library allows programmers to achieve efficient network transmission services in their own program. Usua

101配电通信协议，，可以打开看看，内含所需的源码内含所需的源码内含所需的源码(101 distribution communication protocol, you can open to see, containing the required source code contains the required source code contains the required source code.)