eXoSIP-Analysis.rar - linphone学习必备，看了好多资料，这个最好
Linphone.zip - Linphone的编译与代码分析 ，框图介绍，流程图介绍。
WpfSample.rar - 利用C#开发 onvif客户端以及rtsp开源的播放库，可实时播放rtsp图像，延时小
IntefaceRTSP.zip - 用C# VLC实现rtsp播放,
BigInteger.rar - 一个基于c#的大整数类，内含各种大整数的操作
NPOI 2.2.1.rar - C#编程语言中 .NET 的 NPOI样式引用包
nspeex-82620.rar - nspeex 源码，支持C#下开发，声音编解码。
nspeex.zip - 在Windows下Speex的源C++代码，不错的东西
PJSUA开发文档中文版.rar - pjsip开发说明，函数说明，具体用法。
sipeksdk.zip - Sipek Softphone is an open source project that is intended to share common VoIP software design concepts and practices. Beside that it s a simple and easy-to-use SIP softphone with many useful features.
New version released - Sipek Softphone v0.3 - see downloads section.
Sipek softphone is a C# application based on SipekSDK project. The SIP part is powered by a great SIP stack PJSIP. The bridge between unamanaged pjsip code (C) and managed .Net GUI (C#) is implemented in a simple pjsip .Net Wrapper.
Sipek use C# Audio library http://www.codeproject.com/KB/graphics/AudioLib.aspx for windows mixer controls.
The Sipek s simple software design enables efficient development, easy upgrading and user interface customizations.
bash-3.1-MSYS-1.0.11-1.rar - windowsXP/2003平台安装ffmpeg所需安装包!
SIPDemo.rar - SIP客户端实现，使用SIP协议实现SIP电话客户端
SIP-.NET.zip - Independentsoft.Sip 客户端调用程序