nettalk,个人觉得非常不错的网络电话，集成视频，声音和文本聊天。提供源码，大家共同学习...

网络电话。采用GSM语音格式，2.2KB/s的数据流量，支持HTTP, Socks4/5单一代理或二者同时代理。本版本修复了以前版本的一些小问题，增加了动态调整延时，打开、关闭话筒和声音，保存和自动加载通话地址列表，代理服务器列表，使用全部或部分本机地址开机-telephone network. GSM voice format, 2.2KB/s data traffic, supports HTTP, Socks4/5 of a single agent or combination of both agents. This version fixes previous versions of some small problem, the dynamic adjustment of delay, opening, closing and microphone voice, preservation and automatically load calls address list, the proxy list, the use of all or part of the machine addresses boot

SIP协议实现的软电话功能例子(仅供参考)-SIP protocol implementation example of the soft phone functionality (for reference only)

KPhone is a SIP (Session Initiation Protocol) user agent for Linux, with which you can initiate VoIP (Voice over IP) connections over the Internet. KPhone requires KDE (K Desktop Environment) or at least various libraries from the KDE package. KPhone also requires the OpenSSL libraries to be present in the system. KPhone has been somewhat tested on Red Hat 7.2 and 7.3, Slackware 8.0, SuSE 8.1 and Debian. Requirements on each distribution vary according to the installation layout.

这是H.263视频编码和解码的VC源代码，绝对使用！-This is the H.263 video encoding and decoding of VC source code, the absolute use!

SIP Stacks libmsip: A C++ SIP stack for Linux developed for the miniSIP project. Homepage: http://www.minisip.org/libmsip/. -SIP Stackslibmsip: A C++ SIP stack for Linux developed for the miniSIP project. Homepage: http://www.minisip.org/libmsip/.

我在安装PCC-10C摄像头驱动时，系统老是提示缺少文件名SPCA561.SYS文件-PCC-10C camera driver, the system always suggest a lack of paper documents were SPCA561.SYS

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.

sip对sip的体系结构进行了分析，对初学sip的有很大的帮助。-sip to sip architecture analysis for beginner sip of great help.

基于RTC传输的VC视频会议系统（windowXP系统下）-毁于RTC

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