在ip电话或者视频通讯开发中，常常需要穿越nat，stun是个不错的选择...

解析cisco的skinny协议，根据信令自动保存udp语音包，实现cisco的VOIP系统监控。- Analyzes cisco the skinny agreement, the root according to what is believed makes automatically to preserve the udp pronunciation package, realizes the cisco VOIP system monitoring.

另一个视频监控程序，没有细看，可以实现webcam的视频捕捉-another video surveillance procedures, not to take a closer look, can achieve a video capture webcam

oSIP开发者手册，有对sip的解释和对osip的详细描述-oSIP developer manual, have to sip the interpretation and a detailed description of oSIP

具有异形窗口的网络电话,可以实现网络通讯,并且可以学习如何创建异形窗口.-With special-shaped windows network telephone, network communication can be achieved, and can learn how to create a shaped window.

H.323 GateKeeper，基于OpenH323-H.323 GateKeeper，base on OpenH323

版本V4.1.1,Linux上的开放源代码的IP电话软件SIP协议，主要用于语音通话，但它也支持发送文本的即时消息，即可以像ICQ那样地用文字聊天。 如果网络带宽足够的话，它还支持可视电话 Kphone是GPL的开放源代码的软件。-version 4.1.1, It is IP phone software of Linux open source code based on SIP protocol, it can be used to voice communication, and surpport text IM, same function as ICQ used to text chat. In broad band circumstance, it surpport video conference. Kphone is GPL open source software .

独立软件.Sip源代码。SIP.NET是.NET Framework和Mono的会话启动协议API。API是用100%托管C代码编写的。

第四章代码，Mpeg4的编码与解码，G.721,G.723,G.728,G.729的代码实现-Chapter IV code, Mpeg4 encoding and decoding, G.721, G.723, G.728, G.729 code to achieve

Vovida Networks, Inc. 公司发布的sip协议的1.5.0版本。整个文件包包括SIP协议栈的实现，一套SIP用户代理（a set of SIP user agent(SIPset)）和一套 Back-to_back(B2b) 用户代理.-Vovida Networks, Inc.. The company issued a sip agreement version .5.0. The whole package, including the SIP protocol stack to achieve. a SIP user agent (a set of SIP user agent (SIPset)) and a set of Back-to_back (B2b) user agent.

可视电话的源代码,可以实现音频和视频的传播运用于voip网络-the source for visual phone.transimit sound with video via voip networks