VC写的视频这块，可以拿去研究

AWAG经过ISDN拨叫一个号码并且传送一个消息。它还可以拨叫另外一个号码如果第一个号码不通或者没有人接听电话。-AWAG ISDN dial a number and send a message. It can also dial another number if a number of unreasonable or nobody answered the phone.

H.225 video-telephone protocol,specification document,for reference only

dps上面通过c裸机编程实现流媒体以太网传输-dps through c above, bare-metal programming streaming Ethernet

Python 回声取消基于 Speex lib。使用ctypes speex 与工作

本程序通过RTC(实时传输协议)实现了一个视频会议系统.-This procedure adopted by RTC (Real-time Transport Protocol) to achieve a video conferencing system.

基于H323标准的OPENSOURCE，是一个实现了基础协议栈的D- Based on H323 standard OPENSOURCE, was has realized foundation agreement stack D

电话会话实现方法源程序-telephone conversation method source

音视频通信，利用mpeg压缩，运用网络传输协议传输-Audio and video communications, the use of mpeg compression, the use of network transmission protocol transmission

H.323规范的一部分，规定的信令部分的控制，是开发H.323不可缺少的文档。-part of the H.323 standard, signaling the part of the control, development of H.323 is an indispensable document.

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.