RealNetworks Helix of the public part of the first source document.

搞VOIP的一些原代码，包括MGCP,SIP,RTP/TRCP,SRTP(加密RTP)...等源码，参考价值无限！！这可是我所有的收藏阿，我都献给大家了:=)-engage in a number of VoIP original code, including MGCP, SIP, RTP/TRCP, SRTP (encrypted RTP) ... other source reference value unlimited! ! But it all my collections A, I have dedicated to you : =)

asterisk 电话未来之路 一本非常有意义的数据 中文asterisk文档 对做voip 和PBX的朋友们有很大帮助-Future of asterisk phone a very meaningful data to make Chinese asterisk documents voip and PBX friends are very helpful

openh323 source code

osip，exosip，ortp...是在网络电话中使用非常广泛的几个开源库。这里是在VC7环境下已经编译好的lib文件和dll文件，在windows环境下可以直接使用，省却了重新编译的烦恼。-osip, exosip, ortp ... is the phone in the network is widely used in several open source libraries. Here is the VC7 environment has been compiled lib files and dll files in the windows environment, can be used directly without the need to re-compile troubles.

ffmpeg-0.4.6.tar.gz

另一个视频监控程序，没有细看，可以实现webcam的视频捕捉-another video surveillance procedures, not to take a closer look, can achieve a video capture webcam

IP电话会议系统，支持多人会议，分为Clien和Server两部分，并附有UML设计.-IP telephone conference systems to support people, Client and Server divided into two parts. together with UML design.

sipp源代码，sip协议测试桩，附场景文件-SIPP source code, sip protocol test piles, attached to the scene file

基于WindowsCE视频传输和回放的实现, 详细讲解了wence的工作过程和实现方式。-WindowsCE-based video transmission and playback of the realization of wence detailed account of the work process and realize the way.

H.323视频会议的相关文档参考-H.323 video frequency conference related documents refer