H.264最新VC源码，非常实用，你可以稍加改动就能用在你的工程中...

通过此程序可以对所有呼入和呼出的电话进行录音实现实时监控的功能-Through this procedure for all incoming and outgoing telephone recording realize real-time monitoring function

sip的学习参考文档，对初学sip的用户有较高的参考价值-sip learning reference documentation for novice users sip has a high reference value

这是h.323呼叫应答代码-This is the H.323 call response code

H.323规范的一部分，规定的信令部分的控制，是开发H.323不可缺少的文档。-part of the H.323 standard, signaling the part of the control, development of H.323 is an indispensable document.

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

版本V4.1.1,Linux上的开放源代码的IP电话软件SIP协议，主要用于语音通话，但它也支持发送文本的即时消息，即可以像ICQ那样地用文字聊天。 如果网络带宽足够的话，它还支持可视电话 Kphone是GPL的开放源代码的软件。-version 4.1.1, It is IP phone software of Linux open source code based on SIP protocol, it can be used to voice communication, and surpport text IM, same function as ICQ used to text chat. In broad band circumstance, it surpport video conference. Kphone is GPL open source software .

视频音频处理演示文件，其中视频编解码包括XVID，H263P和H264，音频采用ILBC，音频做了AEC处理。-demonstration video audio processing documents, which include video codec XVID, H263P and H264, used ILBC audio, audio processing done by the AEC.

linux的大大牛alan cox写的关于linux下视频编程的api函数介绍。linux下的视频编程必备文档-linux big cow alan cox writes about linux under the video frequency programming api function introduction. Under linux video frequency programming necessary documents

SIP Stacks libmsip: A C++ SIP stack for Linux developed for the miniSIP project. Homepage: http://www.minisip.org/libmsip/. -SIP Stackslibmsip: A C++ SIP stack for Linux developed for the miniSIP project. Homepage: http://www.minisip.org/libmsip/.

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