以上目前的网络协议比较流行，现在这个协议是…

vc编写的sip客户端，配合sip代理服务器一起使用，无需其他库文件，直接编译即可

权威的skype协议分析，详细分析skype的网络结构、防火墙穿越方法、编解码等实现细节。-authority of the agreement, skype detailed analysis of the network structure, through the firewall, such as codecs achieve details.

是Opengatekeeper项目的扩展。它支持通过RTP（音频和视频）网守的路由和T.120通讯，因此没有通讯直接在endpoints间进行。-Opengatekeeper project is the expansion. Through its support for RTP (audio and video) Gatekeeper routing and T.120 communications, there is no direct communication between the endpoints.

这是一个视频会议系统中发送端有关mpeg-4播放技术的一个源代码-This is a video conferencing system transmitter on MPEG-4 broadcast of a source code

网络视音频系统主要功能就在于视音频的采集，网络传输两个方面，通过Video Capture系列API函数，你就可以轻松的搞定视频捕捉，但是对于视频的网络传输，则要费一番功夫了。-Network as the main functions of audio systems is that video and audio collection, two aspects of network transmission, through the Video Capture Series API function, you can easily get video capture, but for network video transmission, will cost some effort has been.

Linux下开发的一款网络电话-Linux built a network phone

开放的Voip源代码，实现SIP协议，可用于Voip的开发。-open source code, achieving SIP can be used for Student Development.

AppWizard has created this NetPhone application for you. This application not only demonstrates the basics of using the Microsoft Foundation classes but is also a starting point for writing your application.-AppWizard has created this NetPhone application for you. This application not only demonstrates the basics of using the Microsoft Foundation classes but is also a starting point for writing your application.

国外牛人用C++编写的voip的库文件，可同时与一并上传在internet中的jrtplib一同研究使用。-voip library by foreigin expert,you may do some research with jrtplib

IETF RFC3261(SIP协议)的中文翻译版；觉得看英文比较慢的朋友可以先看看这个，有少量翻译错误请对照英文版校对-IETF RFC3261 (SIP) version of the Chinese translation; Think of English slower you can take a look at this, a small amount of translation errors in the English version control Please proofread