SIP (rfc2543) explain in detail the SIP protocol

gnugk-2.2.2 c实现的GateKeeper 实现IP电话网守功能。-GNUgk- 2.2.2 c achieve GateKeeper IP telephone gatekeeper function.

音视频通信，利用mpeg压缩，运用网络传输协议传输-Audio and video communications, the use of mpeg compression, the use of network transmission protocol transmission

这是一篇关于sip协议介绍的文章,主要讲述了3个协议:sip,sdp,sap协议的工作原理,值得研究-This is a sip of agreement on the article, the story of three agreements : sip, sdp, sap the working principle of the agreement, worth studying

jrtp流媒体传输的code，适合大家参考编程用-jrtp streaming media transmission of code, suitable for everyone with reference programming

这是与一本书－《SIP协议及其应用》配套的电子教案。-This is a book- "SIP protocol and the application of" complementary electronic templates.

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。

voip实现的原代码的一个部分 sip协议的实现-voip realize the original code a part of the agreement realize sip

VOIP(H323)源码，实现了G723.1 G729 G728 G711等音频算法，可以和NetMeeting互通-VoIP (H323) source, Implementation of G723.1 G729 G728 G711 audio algorithms, etc., NetMeeting and can exchange

eXosip-2.3.0.1：eXosip最新版本，配合Osip使用-eXosip- 2.3.0.1 : eXosip latest version, with the use of Osip

可视电话的MCU实现方案， 该方案基于IP 符合H。323标准-Videophone the MCU program, which based on IP H meet. Standard 323