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...

VOIP program in VC++, video, voice and other features

SIP协议栈开发（siptiger）

srtp,一个RTP开源库，内含已经用VC7编译好的工程文件.-srtp, an open source RTP library contains has been compiled with VC7 project file.

Siproxd is a proxy/masquerading daemon for the SIP protocol. It allows SIP clients (like kphone, linphone) to work behind an IP masquerading firewall or router.

sipp源代码，sip协议测试桩，附场景文件-SIPP source code, sip protocol test piles, attached to the scene file

桌面视频会议系统中要用到的，鼠标一起抓 ，对于视频会议中要求有鼠标跟踪可以参考参考-Desktop video conferencing system to use, and the mouse the same time, the demands of video conferencing can refer to the reference mouse tracking

IP电话源程序，在Unix环境下编译通过，基于h.323协议。-source IP telephony, in the Unix environment compiler, based on the H.323 agreement.

RTC下接收呼叫的例子（如果是VC用户，请新建一个APPLICATION 32空工程，然后，用ADD FILE的方法把所有的文件包含在工程中编译）-RTC receive calls example (If yes VC users, a new air APPLICATION 32 works, and then use the ADD FILE all the documents included in the project compiler)

voip telephony asterisk chinese doc

RFC文档中有关SIP协议的，3261，3264，3428，3265，2327，2543，大部分都是中文的，还有中华人民共和国通信行业标准中有关SIP的标准。-RFC documentation of the SIP, 3261,3264,3428,3265,2327. 2,543, most of whom are Chinese, there is the People"s Republic of China telecommunications industry standards on the SIP standard.