在ip电话或者视频通讯开发中，常常需要穿越nat，stun是个不错的选择...

RTP实现代码，用C++语言实现，源代码-RTP code, using C++ language, source code

UDP穿透程序，对于搞音视频会议类软件的网友可以参考参考学习-UDP-penetrating procedures, for engaging in Class audio and video meeting software users can refer to the reference study

利用Jainsip库开发的SIP客户端样例，适合初学者使用-Jainsip database development using SIP client sample, suitable for beginners to use

这是最新的IETF有关P2PSIP的研究的文档，拿来给大家共享一下-This the latest IETF P2PSIP of the documents, used to share!

一个linux下的高速sip router-a sip of high-speed router

一个g.729视频电话的源程序！-a telephone G.729 video source!

一宽用RTC和VC++.NET2003开发的网络电话,简单好用,是公司的商业代码-with a wide RTC and VC.NET2003 development of the telephone network, the simple ease of use is the company"s commercial code

本程序在 Windows XP、Visual C++ 6.0 环境下编译通过,但需要rtcdll.dll文件（一般在Windows系统安装目录下的system32文件夹中）。另外，需要摄像头和麦克风等设备。 -This procedure in Windows XP, Visual C++ 6.0 compiler environment, but need Rtcdll.dll file (usually in Windows system directory under the system32 folder). In addition, the need for camera and microphone and other equipment.

视频会议中运用的H245协议。详细介绍了H245系列各个协议。是一本不错的参考资料。-video conferencing using the H245 agreement. Details of the H245 series of individual agreements. It is a good reference.

网络电话例程，可以连接本机做测试！--Network telephone example, and it can connect to local machine to do a test!