RADVISION RTP源代码

跨平台（Linux，Windows）的开源SIP服务器端-Cross-platform (Linux, Windows) open-source SIP server-side

Delphi写的IP电话源码-IP phone sourcecode writed by Delphi

视频会议web系统-web video conference system

MPEG-4编解码的实现。包括MPEG4视音频编解码。-MPEG-4 codecs realized. MPEG4 video and audio codec.

本程序自带反向回传语音代理服务，可以使两个不同局域网内的客户机通过国际互连网进行语音通讯，本程序使用点对点方式，不通过任何中介服务器速度快，语音延迟极小，声音清晰逼真，其效果和真实IP电话不相上下，程序界面简洁，操作简单，是在互连网上打IP电话的极好工具，唯一的要求是通话双方都要有电脑，并连入互连网。 本程序能实现以下连网操作功能： 1.通话双方是同一局域网内的用户 2.通话双方是不同局域网内的用户，并通过各自的网关连入互连网 3.通话双方一个直接连入互连网，另一个处在局域网中，并通过网关连入互连网 4.通话双方直接连入互连网 一般的语音聊天软件只能实现1，4两种连网功能，而本程序能完全支持所有这四种连网情况，因而能使所有用户享受到语音聊天所带来的好处.-reverse the procedure own voice back-agency service, can make two different LAN client through the Internet for voice communications, point-to-point use of this procedure, not through any intermediary server speed, voice minimal delay, loud realistic, and the real effect of IP phone lines, procedural interface simple, simple operation, the interconnection of the IP phone online playing an excellent instrument, the only requirement is to call both sides have to have a computer, and connect to the Internet. This program can achieve the following networking feature : 1. Both the caller is within the same LAN users. Both the caller is different us

可以用vc编译的一个sip 客户端,使用一个基于osip,exosip,ortp和mediastreamer的高层库.有该库的使用文档-Vc compiler can use a sip client, based on the use of a osip, exosip, ortp and high-level Treasury mediastreamer. The use of the library documents

IP电话会议系统，支持多人会议，分为Clien和Server两部分，并附有UML设计.-IP telephone conference systems to support people, Client and Server divided into two parts. together with UML design.

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.

著名的VOCAL的代理服务器，重定向服务器，和注册服务器-famous invisible to the proxy server, redirect servers, and server registration

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