关于IP电话的文章

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本系统是一个功能比较强大的网络办公系统, 网络对话,视频,网络会议,资源共享等等.-the system is a function of more powerful network office systems, dialogue, video, networking, the sharing of resources and so on.

这是voip一个部分,主要是用来做的数据代理,-This is a part of voip is primarily used to do data agents,

SIP Stacks GNU eXosip: C Linux+Windows+... License: GPL Homepage: http://savannah.nongnu.org/projects/exosip/ The extensible osip: "...It aims to implement a simple high layer API to control the SIP for sessions establishements and common extensions. Once completed, this eXtended library should provide an API for call management, messaging and presence features.... Download the tar file from http://osip.atosc.org/download/exosip/. -SIP StacksGNU eXosip: C Linux+ Windows+ ... License: GPL Homepage: http://savannah.nongnu.org/projects/exosip/ The extensible osip:

OPENH323源代码，对于开发视频会议非常有用-OPENH323 SOURCE, useful for netmeeting

C++6.0实现语音采集与播放的控件。souce code 中为该程序的源代码 由于编写该控件的过程中用到了Directx8.1 所以需要安装 Directx8.1sdk 在路径中加入所需的lib exe 中的 ocx 用之前需要用regsvr32 进行注册 如果机器安装的Directx版本低与8.1的话不能运行 该控件没有对语音包压缩 所以对网络环境要求比较高 该控件在校园内经过性能测试-C 6.0 Acquisition and voice broadcast controls. China souce code for the program"s source code because of the preparation of the controls used in the process of Directx8.1 Directx8.1sdk therefore need to install the path to join the lib exe randomly with the use regsvr32 required before registration if machines installed DirectX version 8.1 with low so can not run the Controls no compression of voice packets so the network environment to the high demand on the campus of control after performance testing

权威的skype协议分析，详细分析skype的网络结构、防火墙穿越方法、编解码等实现细节。-authority of the agreement, skype detailed analysis of the network structure, through the firewall, such as codecs achieve details.

H323到PSTN的网关 -Gateway from H323 to PSTN

AWAG经过ISDN拨叫一个号码并且传送一个消息。它还可以拨叫另外一个号码如果第一个号码不通或者没有人接听电话。-AWAG ISDN dial a number and send a message. It can also dial another number if a number of unreasonable or nobody answered the phone.

很好的h323库，开放源代码，有开发指南-good library, open source, development guidelines