linux下的VoIP电话linphone的源码，最新版，编译安装测试过，可实现语音视频通话及文本聊天-VoIP phone linphone under linux source code, the latest version, compiled and tested and is available for voice calls and text chat with video

Client Server Chat application using TCP IP built in c# .net 2.0 Everything to get you started. I have review and tested the application and confirm that it work very well. Voip and video over ip all built in.-Client Server Chat application u

NetTalk是一个适用于局域网和因特网的可视电话软件 一． 开发环境 Windows2000 Server & Visual C++6.0 & SDK +自开发的CWndX类库(相当于简化的MFC涉及窗口的部分) 二． 支持环境 Windows98/ME/2000/XP 三． 所涉及协议和标准 网络传输采用UDP协议，音频压缩采用G.729标准，视频压缩采用H.263标准 四． 性能参数 以音频帧为基准，每帧音频数据有２４０个采样点，时间为２４０＊１０００／８０００＝３０ms，８０００为音频的

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