openh323 通用库，用到pwlib

实现网络在线语音对话.支持GSM编码,ADPCM编码,LPC编码,LPC-10编码 支持RTP,vat协议,并有广播发送,按组进行多点传送,文字交谈等功能-voice network online dialogue. GSM code, ADPCM encoding, LPC coding, LPC-10 encoding support RTP, vat agreement, and this is the broadcasting, according to multicast group, writing features such as conversation

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

H323协议中文版，做voip的必看-H323 Chinese version of the agreement, so the voip Watchable

应用背景This section shows and describes a call flow for a successful call using the Cisco ATA and MGCP. Note :The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, unless otherwise stated. 关键技术Figure C-1 on page C-2 illustrates a basic call flow between two Cisco ATAs through a VocalData Call Agent. Table C-1 on page C-3 describes the action the Cisco ATA takes for each step in the call flow illustration and includes the log created by each step.

RTCP.RTP方面的源码,方便大家学习.-RTCP.RTP source area for everyone to learn.

vich263.rar

SIP协议栈开发（minisip）

不错的资料 需要的可以参考！-good information can refer to the need!

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/.

2003年最新版ITU-T H.323协议全文，为H.323IP电话系统开发工作提供最权威、最直接的指导。-2003 the latest version of the ITU-T H.323 transcript of H.323IP telephone systems development work to provide the most authoritative and most direct guidance.