为新手用户学习参考文档，具有很高的参考价值。

Vovida Networks, Inc. 公司发布的sip协议的1.5.0版本。整个文件包包括SIP协议栈的实现，一套SIP用户代理（a set of SIP user agent(SIPset)）和一套 Back-to_back(B2b) 用户代理.-Vovida Networks, Inc.. The company issued a sip agreement version .5.0. The whole package, including the SIP protocol stack to achieve. a SIP user agent (a set of SIP user agent (SIPset)) and a set of Back-to_back (B2b) user agent.

OReilly - Practical VoIP Using VOCAL.doc-OReilly- Practical VoIP Using VOCAL.doc

vic语音编解码标准，应用于voip系统-speech codec standard applied voip system

经典的带内音频dtmf产生和检测的c语言源码，检测准确率相当高-classic band audio DTMF generation and detection of c-source language, detection accuracy rate is very high

介绍基于pc2pc的IP电话编程- The introduction programs based on the pc2pc IP telephone

语音聊天系统 采用VB 开发 包含客户端和服务器端-Voice chat system uses the VB development includes client and server

A8010 IP电话网守 用户手册 装帧-A8010 IP telephone network Shou bound user manual

osip，exosip，ortp...是在网络电话中使用非常广泛的几个开源库。这里是在VC7环境下已经编译好的lib文件和dll文件，在windows环境下可以直接使用，省却了重新编译的烦恼。-osip, exosip, ortp ... is the phone in the network is widely used in several open source libraries. Here is the VC7 environment has been compiled lib files and dll files in the windows environment, can be used directly without the need to re-compile troubles.

视频会议系统,进行网络视频会议的源代码，应该很详细了，数据源可能得进行改动一下-video conferencing systems, video conferencing network for the source code should be very detailed, data source may need to engage you change

基于sip协议的视频会议源码 ，里面包含AudioConference，dsp，include，TestVideoConference，TestVoiceConference， VCodec_Xvid，VideoConference几个目录，对应学习sip和视频会议的用户有很 好的帮助。