基于H323标准的OPENSOURCE，是一个实现了基础协议栈的D

VOIP(H323)源码，实现了G723.1 G729 G728 G711等音频算法，可以和NetMeeting互通-VoIP (H323) source, Implementation of G723.1 G729 G728 G711 audio algorithms, etc., NetMeeting and can exchange

应用背景这是利用一些数学运算对信号进行相位计算的算法。关键技术CORDIC算法给出正确的相位值，采用一些计算。 ；

asterisk 电话未来之路 一本非常有意义的数据 中文asterisk文档 对做voip 和PBX的朋友们有很大帮助-Future of asterisk phone a very meaningful data to make Chinese asterisk documents voip and PBX friends are very helpful

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.

rtpbreak 将语音数据从抓取的包中提取出来.-rtpbreak voice data from the extracted package to crawl out.

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)

voip telephony asterisk chinese doc

h323终端的一种stun穿透方案。-a stun penetration program.

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

一个ip电话的源代码- A ip telephone source code