SIP RFC协议标准,只可惜是 英文版的，可做参考

软交换测试工具,可以反编译查看代码,良好的架构-Softswitch testing tools that can decompile the code view, a good framework for

symbian平台下的基于SIP的简单游戏，可以方便地扩展成VoIP通话。-symbian platform simple SIP-based games, can be easily extended into a VoIP call.

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

voip电话语音信号编码，传输方式，大家顶！-voip telephone speech signal coding, transmission mode, the top U.S.!

h.323协议的中文版，共三部分，可以作为多媒体业务的通信规范-the Chinese version of the h.323 agreement, including three parts, can serve as a multimedia business communications standards

ITU g723标准参考代码-ITU standard reference source

IETF RFC3261(SIP协议)的中文翻译版；觉得看英文比较慢的朋友可以先看看这个，有少量翻译错误请对照英文版校对-IETF RFC3261 (SIP) version of the Chinese translation; Think of English slower you can take a look at this, a small amount of translation errors in the English version control Please proofread

voip 中的 rtp的具体介绍，祯结构-voip rtp of the specific briefing, Tanigaki structure

OPENH323源代码，对于开发视频会议非常有用-OPENH323 SOURCE, useful for netmeeting

代码来自sourceforge，在linux下的实时语音聊天程序，使用了adpcm编码，同时还使用了RTP实时传输协议，是一个很好的学习实时传输协议的程序。- The code comes from sourceforge, chats the procedure under the linux real-time pronunciation, has used the adpcm code, meanwhile has used the RTP real-time transmission agreement, is a very good study real-time transmission agreement procedure.