基于H323标准的OPENSOURCE，是一个实现了基础协议栈的D

CS多客户端聊天工具 V1.0 可以多人在线聊天。经测试可以三十人以上，更多未测。

openh323源码，网络音视频通讯-openh323 source, audio and video communications network

sjphone 比skype便宜，到其指点网站上注册会有5次试用，很好用-sjphone cheaper than skype, pointing to its Web site Registration will be 5 times the trial, a very good use

一个不错的视频传输系统,实现了视频的采集与传输.

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 的公共头文件部分源码．-RealNetworks Helix of the public part of the first source document.

OpenJSIP 使用JAIN实现了一个完整的  SIP注册服务器和SIP代理服务器，并采用分布式架构提高性能和并发数。                                                                        At the current stage of development the project includes: 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

sip协议文本，讲解透彻，有丰富的实例，根据实例阅读，理解深刻-sip text of the agreement, on a thorough and has a wealth of examples, in accordance with examples of reading and understanding the profound

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.

关于VOIP系统的详细介绍，有助于VOIP系统的设计-on VOIP detailed description of the system, contribute to the design of VOIP System