This is a call center source Oh, everybody can be the specific content of

主要通过对SIP协议的研究，根据这个协议的特点，设计出来一个基于SIP电话会议系统。用户可以通过WEB方式登录到预先建立好的会议室，进行电话会议。-primarily through the SIP, according to the characteristics of this agreement, designed a SIP-based telephone conferencing system. Web users can log on to advance ways to establish good meeting rooms, conference calling.

voip 语音编码方式一种G.729源代码，相关算法可以提供研究。-voip voice encoding a G.729 source code, related algorithms can provide research.

H323到PSTN的网关 -Gateway from H323 to PSTN

用C＋＋语言写的开源SIP协议栈源码 编译环境为vs.net 2003-C++ language to write open-source SIP protocol stack source compiler environment vs.net 2003

Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (like kphone, linphone) to work behind an IP masquerading firewall or router.

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-In the ip phone, or video communication development, often through the nat, stun is a good choice

这是h.323交互话音应答代码-interactive voice response code

一个g.729视频电话的源程序！-a telephone G.729 video source!

基于osip开发的ip电话-based on the development of the telephone ip

ViedeoComm 视频通信通信控件V3.0。VideoComm视频通信控件，集成高性压缩算法，实时传输协议，支持一对一(点对点)，一对多（广播式）等方式的的实时视频通信，视频画面清晰流畅！使用简单方便！ VideoComm视频通信控件适用于VC＋＋、VB、dot Net平台、C++Builder、Delphi、易语言、网页应用程序等各种常见的开发平台。-Video Communication ViedeoComm communication control V3.0. VideoComm Video Communication control, integrated high-compression algorithm, real-time transport protocol to support one-on-one (point-to-point), one-to-many (broadcast) and other forms of real-time video communications, video, smooth and clear picture quality! The use of simple and convenient! VideoComm Video Communication control for VC , VB, dot Net platform, C++ Builder, Delphi, easy language, web applications and other common development platform.