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...

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一个H.323协议栈，C源程序，跨平台，实现了H.225，H.245，RAS，和RTP。-an H.323 protocol stack, C source, cross-platform, achieving H.225, H.245, RAS, and RTP.

IP电视电话会议的实现.

3G umts communication program. Make call through pc to 3G phone. -3G umts communication program. Make call through pc to 3G phone.

H.323视频会议的相关文档参考-H.323 video frequency conference related documents refer

视频电话会议全站源码 目前流行的web网页代码-Video and telephone conference-wide stand-source current popular web page code

KPhone is a SIP (Session Initiation Protocol) user agent for Linux, with which you can initiate VoIP (Voice over IP) connections over the Internet. KPhone requires KDE (K Desktop Environment) or at least various libraries from the KDE package. KPhone also requires the OpenSSL libraries to be present in the system. KPhone has been somewhat tested on Red Hat 7.2 and 7.3, Slackware 8.0, SuSE 8.1 and Debian. Requirements on each distribution vary according to the installation layout.

一个基于Openh323的视频会议终端，基于VC开发环境，可以与netmeeting互联。-It is a video meeting terminal based on Openh323 protocol, which developed with VC and can communicate with netmeeting.

封装了Jainsip库，可用于开发SIP客户端和服务器-Encapsulates Jainsip library, can be used to develop SIP clients and servers

sip开源协议 -sip protocol sip open source open-source agreement