SIP协议，中文，也是网上掏来的，大家参考，谢谢。

一个不错的实时通讯开发开源代码，可用于ip电话/视频会议，希望对大家有用，-A good real-time communication to develop open-source code, can be used for ip phone/video conferencing, in the hope that useful to everybody,

IP电话的代码,可以改称会议室的,很不错的,-IP phone

基于QTopia的SIP IP电话源码，在LInux下编译，支持DTMF,G711,GSM-Based on the SIP IP phone qtopia source, in the compiler under LInux to support DTMF, G711, GSM

open323的服务器程序，C++编写-open323 server procedure, C compiles

rtp模块， 包括rtp协议报文组包，解析，功能独立，需要自行添加rtp的session管理-rtp module, including the rtp protocol packet group package, analytical, functional independence, the need to add the session management rtp

H.323规范的一部分，规定的信令部分的控制，是开发H.323不可缺少的文档。-part of the H.323 standard, signaling the part of the control, development of H.323 is an indispensable document.

用vc实现的voip程序，经过测试，已经成功，希望与大家分享-Vc realize with the voip procedures, tested and have successfully, I hope to share with you

STUN，VOIP中用来穿透NAT的一种方式，可以穿过基本的三种NAT-STUN, VoIP NAT used to penetrate a way, through the three basic NAT

openh323 通用库 -Universal library for openh323

H.323， 基于VIS H.323 dll library的视频会议系统-H.323, based on the VIS H.323 dll library of video conferencing systems