晕，VoIP用来穿透NAT的一种方式，通过三个基本的NAT

搞VOIP的一些原代码，包括MGCP,SIP,RTP/TRCP,SRTP(加密RTP)...等源码，参考价值无限！！这可是我所有的收藏阿，我都献给大家了:=)-engage in a number of VoIP original code, including MGCP, SIP, RTP/TRCP, SRTP (encrypted RTP) ... other source reference value unlimited! ! But it all my collections A, I have dedicated to you : =)

ViedeoComm 视频通信通信控件V3.0。VideoComm视频通信控件，集成高性压缩算法，实时传输协议，支持一对一(点对点)，一对多（广播式）等方式的的实时视频通信，视频画面清晰流畅！使用简单方便！ VideoComm视频通信控件适用于VC＋＋、VB、dot Net平台、C++Builder、Delphi、易语言、网页应用程序等各种常见的开发平台。-Video Communication ViedeoComm communication control V3.0. VideoComm Video Communication control, integrated high-compression algorithm, real-time transport protocol to support one-on-one (point-to-point), one-to-many (broadcast) and other forms of real-time video communications, video, smooth and clear picture quality! The use of simple and convenient! VideoComm Video Communication control for VC , VB, dot Net platform, C++ Builder, Delphi, easy language, web applications and other common development platform.

视频聊天源码服务端-video chat services-source

中文版SIP协议。包括RFC2327(sdp)，RFC3263(sip)，RFC3621(sip)，RFC3372(sip)，其中3261协议包括注册部分是完全版-Chinese version of SIP. Including RFC2327 (sdp) and RFC3263 (sip), RFC3621 (sip), RFC3372 (SIP), including the 3261 agreement is fully registered version

这是一个视频传输的c＋＋源程序，通过服务器转发的程序-This is a video transmission of the c source code, transmitted through the server process

H.323简要说明-A brief description of H.323

IP电话演示，Delphi7编译通过-IP telephony demonstration compile Delphi7

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

openh323开发文档-openh323 Development Documents

IP电视电话会议的实现 -Implemention of IP videotelephone meeting