经典的带内音频dtmf产生和检测的c语言源码，检测准确率相当高...

程序源码 很通用的-procedure is a common source! !

H.225 video-telephone protocol,specification document,for reference only

这是H.263视频编码和解码的VC源代码，绝对使用！-This is the H.263 video encoding and decoding of VC source code, the absolute use!

This project contains a SIP stack and server applications built on top of the stack, examples of which are: Stateless Proxy, Registrar,NAT Keepalives,MWI Notifier server. The server applications have been designed to work in association with Asterisk. -This project contains a SIP stack and server applications built on top of the stack, examples of which are: Stateless Proxy, Registrar, NAT Keepalives, MWI Notifier server. The server applications have been designed to work in association with Asterisk.

视频点播系统VOD源代码，VC++开发，作者陆其明-VOD system source code, VC development, its author Lu Ming

ITU_g723参考代码-ITU_g723 reference code

eXosip is a GPL library that extend the capability of the oSIP library. It aims to implement a simple high layer API to control the SIP for sessions establishements and common extensions.

本源码主要是h.323的协议栈，对进行voip开发人员会有很好的帮助，本开还有rtp和sip协议栈的源码，有需要可以联系-The source is mainly H.323 protocol stack, the conduct of voip developers have a very good help, there is the open rtp and sip protocol stack source code, there is a need can contact

第八章代码，基于实时通信（ＲＴＣ）ＡＰＩ的视频会议系统- Chapter VIII of the code, based on real-time communication (RTC) API of the video conference system