nettalk a good Internet phone source code hope you like

openh323开发文档-openh323 Development Documents

一宽用RTC和VC++.NET2003开发的网络电话,简单好用,是公司的商业代码-with a wide RTC and VC.NET2003 development of the telephone network, the simple ease of use is the company"s commercial code

这是一个用vc开发的基于CMPP的短信收发程序-This is a development with vc CMPP based on the short message TX procedures

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

本源码主要是h.323的协议栈，对进行voip开发人员会有很好的帮助，本开还有rtp和sip协议栈的源码，有需要可以联系-The source is mainly H.323 protocol stack, the conduct of voip developers have a very good help, there is the open rtp and sip protocol stack source code, there is a need can contact

基于sip协议的视频会议源码 ，里面包含AudioConference，dsp，include，TestVideoConference，TestVoiceConference， VCodec_Xvid，VideoConference几个目录，对应学习sip和视频会议的用户有很 好的帮助。

SIP协议中穿越对称型/非对称型NAT防火墙的多种实现方法，解决私网内部的防火墙穿透问题。-SIP cross symmetric/asymmetric NAT firewall multiple solutions, private internal network firewall penetration.

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.