SIP RFC协议标准,只可惜是 英文版的，可做参考

这是一个视频会议系统中接受端有关mpeg-4播放技术的一个源代码-This is a video conferencing system receiving end of the MPEG-4 broadcast of a source code

代码来自sourceforge，在linux下的实时语音聊天程序，使用了adpcm编码，同时还使用了RTP实时传输协议，是一个很好的学习实时传输协议的程序。- The code comes from sourceforge, chats the procedure under the linux real-time pronunciation, has used the adpcm code, meanwhile has used the RTP real-time transmission agreement, is a very good study real-time transmission agreement procedure.

一个基于H.323的视频会议终端，基于OPEN H323协议，实现了视频和音频的通信，支持H.263。适合研究OPEN H323的开发者参考。-H.323-based video conferencing terminals, based on the OPEN H323 agreement, realize the video and audio communications to support H.263. Appropriate to study the development of OPEN H323 reference.

一个H323动态库使用的例子-a dynamic example of the use of

web视频聊天室-video web chat rooms

这是一款利用GENESYS CTI 的 .NET控件开发的一个典型的软 Phone,具有很好的参考价值!-This is a use of GENESYS CTI

nettalk 一个很好的网络电话源代码 希望大家喜欢-nettalk a good Internet phone source code hope you like

VOIP program in VC++, video, voice and other features

windows/linux平台下C语言编写的sip软电话siphon最新版本。-windows/linux platform C language prepared by the sip soft phone siphon latest version.

SIP协议，中文，也是网上掏来的，大家参考，谢谢。-SIP agreement, Chinese, is also out to the Internet, the U.S. reference, thank you.