很好的h323库，开放源代码，有开发指南

一个H.323协议栈，C源程序，跨平台，实现了H.225，H.245，RAS，和RTP。-an H.323 protocol stack, C source, cross-platform, achieving H.225, H.245, RAS, and RTP.

利用Jainsip库开发的SIP客户端样例，适合初学者使用-Jainsip database development using SIP client sample, suitable for beginners to use

基于C＃实现的视频会议系统，很不错的啊，供大家学习学习-C#-based video conferencing systems to achieve very good ah, for everyone to learn to learn

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

一本学习中文协议阅读的手册，里面详细介绍了osip协议阅读的结构和使用方法，是一本不错的手册。

itu标准g.723源代码及文档，可以在vc及linux下编译通过-itu standards g.723 source code and documentation, the vc and compile under linux

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

IETF RFC3261(SIP协议)的中文翻译版；觉得看英文比较慢的朋友可以先看看这个，有少量翻译错误请对照英文版校对-IETF RFC3261 (SIP) version of the Chinese translation; Think of English slower you can take a look at this, a small amount of translation errors in the English version control Please proofread

应用背景This section shows and describes a call flow for a successful call using the Cisco ATA and MGCP. Note :The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, unless otherwise stated. 关键技术Figure C-1 on page C-2 illustrates a basic call flow between two Cisco ATAs through a VocalData Call Agent. Table C-1 on page C-3 describes the action the Cisco ATA takes for each step in the call flow illustration and includes the log created by each step.

本文档可以告诉您　如何在libosip的基础上开发即时消息-this document can tell you how libosip development on the basis of instant messaging