晕，VoIP用来穿透NAT的一种方式，通过三个基本的NAT

在Vovida基础上实现自己的SIP 协议栈――Vovida User Agent-based on the SIP protocol stack-- Vovida User Agent

国外牛人的毕业论文，英文版本，实时语音传输相关，其中的两个库文件，jrtplib与jvoiplib已经上传。enjoy -foreign elite s graduate paper in english.related to real time voice transimission.it has two library,jrtplib,jvoiplib.enjoy

G.1070是IP电话应用情境下，音视频和多媒体质量评估的标准，利用它可以得到客观的质量函数-G.1070is a standard used for quality estimation

SIP(rfc2543)详细讲解SIP协议-SIP (rfc2543) explain in detail the SIP protocol

采用G.729的语言实时通信DLL(含测试源代码)- Uses G.729 language real-time communication DLL (to contain test source code)

实现局域网内点对点的音频通讯，数据编解码使用G.729,16:1的压缩比，数据传输使用UDP协议。音频模块可在公网内经行通讯-LAN communications within the peer-to-peer audio, data, use codec G.729, 16:1 compression ratio, data transmission using the UDP protocol. Audio module can be in the public network through the communication line

视频会议中运用的H245协议。详细介绍了H245系列各个协议。是一本不错的参考资料。-video conferencing using the H245 agreement. Details of the H245 series of individual agreements. It is a good reference.

一个很好的SIP协议栈,用标准C实现.大家学习吧.-A very good SIP protocol stack, using standard C realize. Everyone to learn it.

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

可以直接用VC进入修改编译的基于语音卡上的开发平台，有流程的图形编辑器-can directly enter the VC changes compiler- based voice on the card development platform, a process graphics editor