SIP协议，中文，也是网上掏来的，大家参考，谢谢。

jpeg视频编解码程序，包括dct变换、量化、vlc等过程，针对视频压缩-jpeg video codec procedures, including Extra transform, quantization, VLC and so on, for video compression

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

跨平台（Linux，Windows）的开源SIP服务器端-Cross-platform (Linux, Windows) open-source SIP server-side

ViedeoComm 视频通信通信控件V3.0。VideoComm视频通信控件，集成高性压缩算法，实时传输协议，支持一对一(点对点)，一对多（广播式）等方式的的实时视频通信，视频画面清晰流畅！使用简单方便！ VideoComm视频通信控件适用于VC＋＋、VB、dot Net平台、C++Builder、Delphi、易语言、网页应用程序等各种常见的开发平台。-Video Communication ViedeoComm communication control V3.0. VideoComm Video Communication control, integrated high-compression algorithm, real-time transport protocol to support one-on-one (point-to-point), one-to-many (broadcast) and other forms of real-time video communications, video, smooth and clear picture quality! The use of simple and convenient! VideoComm Video Communication control for VC , VB, dot Net platform, C++ Builder, Delphi, easy language, web applications and other common development platform.

用vb编的一个拨号电话软件程序，希望对visual basic编程感兴趣和希望了解拨号电话软件程序原理的人有所帮助-Vb by telephone for a dial-up software programs, hoping to interest in visual basic programming and would like to know the principle of a dial-up phone software programs help people! !

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基于G729语音压缩技术的源码，适当修改就可以加到自己的代码里面，很实用-G729 voice compression technology, based on the DLL source code, with appropriate modifications can be added to your code inside, very practical

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 .

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

这是一个呼叫中心的源码哦,具体内容大家可以-This is a call center source Oh, everybody can be the specific content of