这是一个视频传输的c＋＋源程序，通过服务器转发的程序

应用背景This section shows and describes a call flow for a successful call using the Cisco ATA and MGCP. Note :The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, unless otherwise stated. 关键技术Figure C-1 on page C-2 illustrates a basic call flow between two Cisco ATAs through a VocalData Call Agent. Table C-1 on page C-3 describes the action the Cisco ATA takes for each step in the call flow illustration and includes the log created by each step.

GSM 06.10 13 kbit/s RPE/LTP语音压缩-GSM 06.1013 kbit/S RPE/LTP voice compression

需要的可以看看 是学习的好资料！-can look at the need to learn the good information!

一个功能全面的基于H323（视频会议系统协议）的网守-a fully functional based on H323 (Video Conference System agreement) Gatekeeper

Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (like kphone, linphone) to work behind an IP masquerading firewall or router.

实现文字群聊以及点对点的视频聊天功能，自己编写-Realize the text of a group chat, as well as point-to-point video chat feature, I have written

用于Voip的MySQL数据库接口函数库，很有用处。-for the MySQL database interface functions, the very useful.

sip的学习参考文档，对初学sip的用户有较高的参考价值-sip learning reference documentation for novice users sip has a high reference value

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! !

H323到PSTN的网关 -Gateway from H323 to PSTN