UDP穿透程序，对于搞音视频会议类软件的网友可以参考参考学习...

这是 TSAPI # 项目 ("tsapi"） 这一项目在 2007 年 6 月 4 日，在 SourceForge.net 上注册，如下所述由项目团队： 此项目为 AT & T/朗讯/Novell/Avaya 灯提供 C# 包装器库。此库便于计算机电话集成与 TSAPI 兼容的 PBX 系统初始释放 TSAPI # 是可供审查。这提供一个 TSAPI 库裹在一个 C# 类。也是示例 C# 应用程序包含要测试的一些特点。到目前为止只有少量的灯功能是包括的与更多的来。项目站点还包含下载的 TSAPI 客户端驱动程序、 CSTA 模拟器和电话服务服务器。

SIP Stacks SIP from vovida.org: C++ Linux+Windows+... License: Vovida Software License Homepage: http://www.vovida.org/protocols/downloads/sip/ -SIP StacksSIP from vovida.org: C++ Linux+ Windows+ ... License: Vovida Software License Homepage: http://www.vovida.org/protocols/downloads/sip/

国外牛人用C++编写的voip的库文件，多媒体实时流传输协议（RTP/RTCP）lib包,平台要求(linux,unix,windows)用于网络音频视频传输-foreign cattle with a C voip prepared by the Treasury, the documents, multimedia real-time streaming protocol (RTP/RTCP) lib packages, platform requirements (Linux, Unix, windows) for audio and video transmission network

Trabas VoIP Billing - A browser-based Open Source Software for VoIPOperator to handle billing process from Service & Tariff Definitionto Report Producing.-Trabas VoIP Billing- A browser-based Open Source Software for VoIPOperator to handle billing process from Service & Tariff Definitionto Report Producing.

H.323简要说明-A brief description of H.323

nettalk,个人觉得非常不错的网络电话，集成视频，声音和文本聊天。提供源码，大家共同学习

Portable Unix Libary

This program was designed as a GUI client for the Asterisk PBX with Digium Zaptel cards and SIP VOIP hard or softphones as extensions, it could be adapted to other functions, but It was designed for Zap/SIP users. The program will run on X and Win32. -This program was designed as a GUI client for the Asterisk PBX with Digium Zaptel cards and SIP VOIP hard or softphones as extensions, it could be adapted to other functions, but It was designed for Zap/SIP users. The program will run on X and Win32.

本程序在 Windows XP、Visual C++ 6.0 环境下编译通过,但需要rtcdll.dll文件（一般在Windows系统安装目录下的system32文件夹中）。另外，需要摄像头和麦克风等设备。 -This procedure in Windows XP, Visual C++ 6.0 compiler environment, but need Rtcdll.dll file (usually in Windows system directory under the system32 folder). In addition, the need for camera and microphone and other equipment.

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