白板，通过SocketAPＩ实现网络画图．

关于视频会议的好-video conferencing on a good Dongdong

这是一篇关于ip电话网关的规范的文章,主要讲述了ip电话应该遵循的国家标准,值得一看-This is a telephone gateway ip on the norms of articles, mainly on the telephone ip should follow the national standards, an eye-catcher

VOIP电话源程序-source VoIP telephone

Portable Windows Libary

introduce to sip h323

eXosip is a GPL library that extend the capability of the oSIP library. It aims to implement a simple high layer API to control the SIP for sessions establishements and common extensions.

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

用vb编的一个拨号电话软件程序，希望对visual basic编程感兴趣和希望了解拨号电话软件程序原理的人有所帮助-Vb by telephone for a dial-up software programs, hoping to interest in visual basic programming and would like to know the principle of a dial-up phone software programs help people! !

利用h.323进行语音呼叫的程序-use H.323 voice calls for the procedure

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.