this a program Voip..it is a verry good program of Voip-this is a program Voip..it is a verry good program of Voip

SIP协议栈开发（siptiger）

IP电视电话会议的实现.

Vovida出品的包括RTP、RTCP、SIP等各种基础协议栈和SIP UAC、UAS等功能的IP电话服务器端程序。编译环境为linux-Vovida produced in RTP, RTCP, and other SIP based protocol stack and SIP UAC and UAS capabilities of IP telephony server procedures. Linux compiler environment

应用背景这是利用一些数学运算对信号进行相位计算的算法。关键技术CORDIC算法给出正确的相位值，采用一些计算。 ；

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.

视频会议系统,进行网络视频会议的源代码，应该很详细了，数据源可能得进行改动一下-video conferencing systems, video conferencing network for the source code should be very detailed, data source may need to engage you change

H323服务器端程序，用到pwlib和openh323 -H323 server, using pwlib and openh323

POS前台C++程序,源代码齐全,对这方面感兴趣的朋友,可以-POS front C++ Procedures, the source code complete, interested friends, you can

一个可以在PPC上运行的sip客户端的源代码,使用基于osip,exosip,ortp,mediastreamer的库-A PPC can be run on sip client source code, use-based osip, exosip, ortp, mediastreamer library