sjphone 比skype便宜，到其指点网站上注册会有5次试用，很好用

VOIP，VOIP Software Architecture-VOIP, VOIP Software Architecture

呼叫控制CCXML规范的PowerPoint演示幻灯片，介绍CCXML的背景、关键字、使用方法。-CCXML call control standard PowerPoint presentation slides, the background briefing Browser, keyword, use.

SKYPE SDK 简单演示说明例程，起到抛转引玉作用-SKYPE SDK simple demonstration that routines play a role in throwing quoted Jade

voip实现的原代码 rtp协议辅助工具类代码-voip realize the original code rtp protocol aids category code

一个完整的文字聊天，视频/语音传输，电子白板，共享文件的使用RTC技术编写的程序。（使用前请下载RTC CLIENT SDK API，现在最新版是1。3，大家可以在微软的网站上下载）-a complete text chat, video/voice transmission, electronic whiteboards, shared use of the RTC technical preparation process. (Download the use of the former RTC Client SDK API, the latest version is the one. 3, we can at Microsoft"s Web site)

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.

8路实时视频会议系统,低成本高效率135493824-8-way real-time video conferencing systems, low-cost, high efficiency 135493824

支持gnu/linux和windows等平台的语音编解码源代码。-Support for gnu/linux and windows platforms, such as voice codec source code.

可视电话的MCU实现方案， 该方案基于IP 符合H。323标准-Videophone the MCU program, which based on IP H meet. Standard 323

VOIP行业的H323协议终端软电话的源代码，对VOIP行业的开发、技术维护人员有较大帮助。-H323 VOIP industry agreement soft phone terminal source code for the development of the VoIP industry, technical maintenance staff have more help.