自行编写的全套BT源代码，C++编写，完全实现BT的功能，并且经过了大量和长期的实际应用。是可以提供正常商业服务的基础P2P文件共享软件。从开发到现在已经稳定测试2年以上，性能非常稳定。-prepared by their own set of source code BT, C preparation, the full realization of BT's capabilities, and after a substantial and long-term practical a

在VC++平台上编写的p2p聊天程序，有需求分析、详细设计、功能测试等-In VC++ platform p2p chat program written, there is a demand analysis, detailed design, functional testing, etc.

最新版本的ekiga，最初是用voip做视频会议的，后来兼容sip，测试过，sip功能挺好用 ，h323功能不怎么好用-The latest version of ekiga, initially use voip video conferencing, and later compatible sip, tested, sip function is very good with h323 is not very easy to use