电子白板实现，java实现，欢迎指正，

symbian平台下的基于SIP的简单游戏，可以方便地扩展成VoIP通话。-symbian platform simple SIP-based games, can be easily extended into a VoIP call.

一个完整的文字聊天，视频/语音传输，电子白板，共享文件的使用RTC技术编写的程序。（使用前请下载RTC CLIENT SDK API，现在最新版是1。3，大家可以在微软的网站上下载）-a complete text chat, video/voice transmission, electronic whiteboards, shared use of the RTC technical preparation process. (Download the use of the former RTC Client SDK API, the latest version is the one. 3, we can at Microsoft"s Web site)

大名鼎鼎的speex语音压缩源码，应用于voip系统-well known speex voice compression souce code,apply to voip system

视频会议web系统-web video conference system

H323客户端的图形程序，用到pwlib和openh323 -Graphic UI app for H323 client, using pwlib and openh323

不错的网络ip电话程序（源程序）-good ip telephone network (source)

SIP Stacks dissipate2: C++ Linux, requries the qt-library, License: GPL Homepage: http://www.wirlab.net/kphone/ A enhanced dissipate, is part of the kphone distribution. -SIP Stacksdissipate2: C++ Linux, requries the qt-library, License: GPL Homepage: http://www.wirlab.net/kphone/ A enhanced dissipate, is part of the kphone distribution.

IP电话演示，Delphi7编译通过-IP telephony demonstration compile Delphi7

在Internet上传播声音的源程序- On Internet carry over sound source program

一个即时聊天软件的源代码，含服务器端和客户端。-A real-time chat software source code, including server-side and client.