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MPEG-4编解码的实现。包括MPEG4视音频编解码。-MPEG-4 codecs realized. MPEG4 video and audio codec.

sip开源协议 -sip protocol sip open source open-source agreement

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

SIP协议栈开发（minisip）

跨平台（Linux，Windows）的开源SIP服务器端-Cross-platform (Linux, Windows) open-source SIP server-side

一个ip电话实例的实现，以vc为开发环境。-an example of the realization of telephone, vc for the development environment.

QtPhone is a cross-platform telephone emulation application designed to be used with a PC, speakers, microphone, V.92 voice modem and a standard phone line. ISDN, xDSL and VoIP will be supported. Features include Caller Identification and Voice Mail. -QtPhone is a cross-platform telephone emu IBM application designed to be used with a PC , speakers, microphone, V.92 voice modem and a standard phone line. ISDN , xDSL and VoIP will be supported. Features inc lude Caller Identification and Voice Mail.

SIP Stacks SIP from vovida.org: C++ Linux+Windows+... License: Vovida Software License Homepage: http://www.vovida.org/protocols/downloads/sip/ -SIP StacksSIP from vovida.org: C++ Linux+ Windows+ ... License: Vovida Software License Homepage: http://www.vovida.org/protocols/downloads/sip/

一个语音通讯软件。-a voice communications software.

一个用VC写的电话会议的系统.能够在少于四人的情况下实现高质量的语音效果,用语言实现了语音的混频-It is a video conference software writted by VC++. It show the perfect performance even when 4 people talk at the same time. voice mixing technolog be used.