提供网络上的视频聊天播放功能，加载DLL来实现. VC

在防火墙情况下,使用stun方式穿越防火墙的音视频代码-Firewall cases, the use of stun way audio and video through the firewall code

osip，exosip，ortp...是在网络电话中使用非常广泛的几个开源库。这里是在VC7环境下已经编译好的lib文件和dll文件，在windows环境下可以直接使用，省却了重新编译的烦恼。-osip, exosip, ortp ... is the phone in the network is widely used in several open source libraries. Here is the VC7 environment has been compiled lib files and dll files in the windows environment, can be used directly without the need to re-compile troubles.

H323协议中文版，做voip的必看-H323 Chinese version of the agreement, so the voip Watchable

VOIP行业的H323协议终端软电话的源代码，对VOIP行业的开发、技术维护人员有较大帮助。-H323 VOIP industry agreement soft phone terminal source code for the development of the VoIP industry, technical maintenance staff have more help.

一个流媒体的开发源代码C语言函数库，看了就知道。-a Streaming Media Development C language source code libraries, read on to know.

实现文字群聊以及点对点的视频聊天功能，自己编写-Realize the text of a group chat, as well as point-to-point video chat feature, I have written

一个简易的sip软电话客户端源代码,包内含有原作者的说明文档,供大家学习参考-These are the resource codes of a simple sip program.In the package, there is a readme written by the authors.

使用Rtc/RTCP技术来传输VIDEO和SOUND的程序(需要到MICROSOFT下载最新的RTC CLIENT SDK API才能编译，VC7不需要下载)-use Rtc/RTCP technology to transmit VIDEO SOUND and procedures (need to download the latest Microsoft RTC Client API SDK can be built, VC7 do not need to download)

IP电话编程-IP telephone programs

OSIP.PDF