在Vovida基础上实现自己的SIP 协议栈――Vovida User Agent

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

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

The Auerswald ETS 4308i ISDN PBX Reverse Engineering Project是一种完全开放式的源客户端软件适用于the Auerswald ETS 4308i ISDN PBX。它的目的是为有效地使用LCR-feature of the PBX 提供工具，为改换PBX的配置，为读取电话数量，为将ISDN-D-channel-protocol of the PBXzuop作为输入源或者isdnlog来使用。-ETS 4308i ISDN PBX Reverse Engineering Project is a completely open-source client software applicable to the George Mason ETS 4308i ISDN PBX. It is designed for the effective use of LCR-feature of the PBX with the tools to change the configuration of PBX, telephone number for readers to be ISDN-D-channel-PBXzuop protocol of the input source or isdnlog to use it.

如何成功的运用OPENH323 来开发商业的H.323 协议栈-how to successfully make use of OPENH323 to develop commercial H.323 protocol stack

RealNetworks公司的Helix 的协议部分源码．-RealNetworks Helix source part of the agreement.

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

this document illstrate HOW TO build a android develop envirounment.The android is a goole leading open smartphone Project

ITU的g729a编码库，可以将pcm转化为g.729格式-ITU G729 annex A lib file ,can transfer PCM file format to G729 format.

一个流媒体的开发源代码C语言函数库，看了就知道。-a Streaming Media Development C language source code libraries, read on to know.

3CX -VOIP软件客户端和服务器配置手册-3CX VOIP product client and server configure manual