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。...

在开发sip通话或者h323的时候，都想需要作认证，所以这里给出本人开发的一个很小的digest认证流程的小例子。-call in the development or sip h323 time, and they all want to require certification So I developed here is a very small digest authentication process small examples.

开发一套易用的网络通信包，以C＋＋形式对功能进行封装。做的相当不错，包含开发文档及代码说明 -development of a set of easy-to-use communications network packets to C++ form of a wrapper function. Doing quite well, including the development of documents and code Description

基于P2P模式的视频通信,比较经典的例子。我看了受益匪浅-P2P-based video communications model, compare the classic example. I have read the benefit

vc编写的sip代理服务器,无需其他的库，直接编译-vc prepared sip proxy server, no additional library is directly compiled

SIP_ISUP，SIP ISUP互联互通协议部分，对于学习NGN软交换之间的协议流程很有帮助。-SIP_ISUP, SIP ISUP protocol interoperability of NGN Softswitch to study the agreement between the flow of great help.

经典的带内音频dtmf产生和检测的c语言源码，检测准确率相当高-classic band audio DTMF generation and detection of c-source language, detection accuracy rate is very high

SIP RFC协议标准,只可惜是 英文版的，可做参考-SIP RFC protocol standards, but unfortunately are in English, can refer to

Bandwidth Monitor是一个纯VB编写的程序，对视屏的处理十分好!-Bandwidth Monitor is a pure VB program to screen the handling is very good!

基于h323的网守管理程序，可以与现在流行的基于H323的VOIP系统很好的结合起来应用，-based on the Gatekeeper management procedures, and based on the now popular H323 VOIP systems combine good applications,

这是一个视频传输的c＋＋源程序，通过服务器转发的程序-This is a video transmission of the c source code, transmitted through the server process