很好的h323库，开放源代码，有开发指南

国际电信的G729语音编码的主要程序，主要应用在VOIP中，在VC下已经调试成功，直接可以用来使用-International Telecommunications G729 speech coding of the main program, mainly used in VOIP, in the VC debugger already successful, can be used to direct the use of

RealNetworks公司的HELIX的audio.部分-RealNetworks, the company verified our audio. Some

KPhone is a SIP (Session Initiation Protocol) user agent for Linux, with which you can initiate VoIP (Voice over IP) connections over the Internet. KPhone requires KDE (K Desktop Environment) or at least various libraries from the KDE package. KPhone also requires the OpenSSL libraries to be present in the system. KPhone has been somewhat tested on Red Hat 7.2 and 7.3, Slackware 8.0, SuSE 8.1 and Debian. Requirements on each distribution vary according to the installation layout.

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

呼叫控制CCXML规范的PowerPoint演示幻灯片，介绍CCXML的背景、关键字、使用方法。-CCXML call control standard PowerPoint presentation slides, the background briefing Browser, keyword, use.

3G umts communication program. Make call through pc to 3G phone. -3G umts communication program. Make call through pc to 3G phone.

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.

radius AAA 源代码,基于radius协议的鉴权，认证组件，广泛用于电信行业和银行业。-radius AAA source code, based on the radius of the agreement authentication, authentication components widely used in the telecommunications industry and banking.

h.264最新源码-h.264 latest source

网络视音频系统主要功能就在于视音频的采集，网络传输两个方面，通过Video Capture系列API函数，你就可以轻松的搞定视频捕捉，但是对于视频的网络传输，则要费一番功夫了。-Network as the main functions of audio systems is that video and audio collection, two aspects of network transmission, through the Video Capture Series API function, you can easily get video capture, but for network video transmission, will cost some effort has been.