SIP协议栈的开发（minisip）

itu标准g.723源代码及文档，可以在vc及linux下编译通过-itu standards g.723 source code and documentation, the vc and compile under linux

实现网络在线语音对话.支持GSM编码,ADPCM编码,LPC编码,LPC-10编码 支持RTP,vat协议,并有广播发送,按组进行多点传送,文字交谈等功能-voice network online dialogue. GSM code, ADPCM encoding, LPC coding, LPC-10 encoding support RTP, vat agreement, and this is the broadcasting, according to multicast group, writing features such as conversation

目前网络上面skype很流行,这是一篇详细的分析skype的文章,如果你想研究p2p的电话,那么值得一看-network above skype currently very popular, which is a detailed analysis of skype the article, if you want to research peer-to-peer phone, an eye-catcher

OPENH323源代码，对于开发视频会议非常有用-OPENH323 SOURCE, useful for netmeeting

客户端使用NetMeeting，服务端使用mfc.exe可以获得比较好的效果-clients use NetMeeting, The server can use mfc.exe fairly good results

It s an introduction to the most popular opensource calling card platform.Its is fair to say that A2Billing when combined with Asterisk is is now a full featured telecom platform

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

IP电话源程序，在Unix环境下编译通过，基于h.323协议。-source IP telephony, in the Unix environment compiler, based on the H.323 agreement.

IP电话会议系统，支持多人会议，分为Clien和Server两部分，并附有UML设计.-IP telephone conference systems to support people, Client and Server divided into two parts. together with UML design.

很好的代码，大家多侃侃 可以很好的饿学习-good code, everyone can be good again and hunger study