sip对sip的体系结构进行了分析，对初学sip的有很大的帮助。

asterisk 电话未来之路 一本非常有意义的数据 中文asterisk文档 对做voip 和PBX的朋友们有很大帮助-Future of asterisk phone a very meaningful data to make Chinese asterisk documents voip and PBX friends are very helpful

visual C#源码，摄像头捕获,视频会议，网络互通-visual c# video caoture,Video meeting

vic语音编解码标准，应用于voip系统-speech codec standard applied voip system

An H.264-Based Solution on the DM642 for Video Broadcast Applications

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

h.323的c语言源码-h.323 c language source code

一个ip电话实例的实现，以vc为开发环境。-an example of the realization of telephone, vc for the development environment.

这是我们教研室的是师兄课题，已经通过了验证，并且有产品实践过了这是控制端的-This is the Teaching and Research Section of older subjects had been passed validation and products over the practice which is controlled side of the

在Vovida基础上实现自己的SIP 协议栈――Vovida User Agent-based on the SIP protocol stack-- Vovida User Agent

具有异形窗口的网络电话,可以实现网络通讯,并且可以学习如何创建异形窗口.-With special-shaped windows network telephone, network communication can be achieved, and can learn how to create a shaped window.