对STP协议的介绍，详细介绍了结构，以及如何实现

IP电话程序--IP phone program

RTCP.RTP方面的源码,方便大家学习.-RTCP.RTP source area for everyone to learn.

第四章代码，Mpeg4的编码与解码，G.721,G.723,G.728,G.729的代码实现-Chapter IV code, Mpeg4 encoding and decoding, G.721, G.723, G.728, G.729 code to achieve

RADVISION RTP源代码-RADVISION RTP source code

可视电话的源代码,可以实现音频和视频的传播运用于voip网络-the source for visual phone.transimit sound with video via voip networks

3CX -VOIP软件客户端和服务器配置手册-3CX VOIP product client and server configure manual

视频聊天源码客户端-video chat client FOSS

可以用vc编译的一个sip 客户端,使用一个基于osip,exosip,ortp和mediastreamer的高层库.有该库的使用文档-Vc compiler can use a sip client, based on the use of a osip, exosip, ortp and high-level Treasury mediastreamer. The use of the library documents

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.

* How to use the programming framework and classes available in Windows Mobile and Smartphone SDK * The fundamentals of .NET Compact Framework 2.0 * Techniques for developing your own robust Smartphone applications * Steps for customizing components and P/Invoke * How to enhance data and communication security * Ways to improve the performance of your applications * Fundamental techniques for supporting world-ready applications - * How to use the programming framework and classes available in Windows Mobile and Smartphone SDK * The fundamentals of .NET Compact Framework 2.0 * Techniques for developing your own robust Smartphone applications * Steps for customizing components and P/Invoke * How to enhance data and communication security * Ways to improve the performance of your applications * Fundamental techniques for supporting world-ready applications