晕，VoIP用来穿透NAT的一种方式，通过三个基本的NAT

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

IP电话的代码,可以改称会议室的,很不错的,-IP phone

DirectShow的实时视频传输实现方法

VFW,视频会议，基于VFW的视频会议系统-VFW, video conferencing, video-based conferencing systems VFW

SIP Stacks GNU eXosip: C Linux+Windows+... License: GPL Homepage: http://savannah.nongnu.org/projects/exosip/ The extensible osip: "...It aims to implement a simple high layer API to control the SIP for sessions establishements and common extensions. Once completed, this eXtended library should provide an API for call management, messaging and presence features.... Download the tar file from http://osip.atosc.org/download/exosip/. -SIP StacksGNU eXosip: C Linux+ Windows+ ... License: GPL Homepage: http://savannah.nongnu.org/projects/exosip/ The extensible osip:

这是一篇关于ip电话网关的规范的文章,主要讲述了ip电话应该遵循的国家标准,值得一看-This is a telephone gateway ip on the norms of articles, mainly on the telephone ip should follow the national standards, an eye-catcher

使用directshow来进行mpeg-4的视频传输，网络传输使用rtp协议-directshow to use MPEG-4 video transmission, the use of network transmission agreement rtp

vc编写的sip代理服务器,无需其他的库，直接编译-vc prepared sip proxy server, no additional library is directly compiled

linux的大大牛alan cox写的关于linux下视频编程的api函数介绍。linux下的视频编程必备文档-linux big cow alan cox writes about linux under the video frequency programming api function introduction. Under linux video frequency programming necessary documents

程序源码 很通用的！！可以借鉴-procedure is a common source! ! Reference