SIP RFC协议标准,只可惜是 英文版的，可做参考

一个比较好的基于LINUX平台的网络电话，代码写很有特点，很值得一读-a better platform for Linux-based Internet phones, code written with unique features and is well worth a read

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)

ViedeoComm 视频通信通信控件V3.0。VideoComm视频通信控件，集成高性压缩算法，实时传输协议，支持一对一(点对点)，一对多（广播式）等方式的的实时视频通信，视频画面清晰流畅！使用简单方便！ VideoComm视频通信控件适用于VC＋＋、VB、dot Net平台、C++Builder、Delphi、易语言、网页应用程序等各种常见的开发平台。-Video Communication ViedeoComm communication control V3.0. VideoComm Video Communication control, integrated high-compression algorithm, real-time transport protocol to support one-on-one (point-to-point), one-to-many (broadcast) and other forms of real-time video communications, video, smooth and clear picture quality! The use of simple and convenient! VideoComm Video Communication control for VC , VB, dot Net platform, C++ Builder, Delphi, easy language, web applications and other common development platform.

开放的Voip源代码，实现SIP协议，可用于Voip的开发。-open source code, achieving SIP can be used for Student Development.

在防火墙情况下,使用stun方式穿越防火墙的音视频代码-Firewall cases, the use of stun way audio and video through the firewall code

openh323源码，网络音视频通讯-openh323 source, audio and video communications network

这是h.323协议呼叫发生器代码-agreement calls code generator

一个基于h.323协议，QT界面的网络视频(voip)工具-an agreement on h.323, QT interface of Network Video (1/1/2006) tool

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

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