IP Phone的技术原理及展望

On Principles of IP Phone Technology and Its Future

本文介绍了 IP Phone技术的发展及技术原理。IP Phone的基本通信模式 ,与现存的电话网络及国际互联网的连接框架结构。介绍了 IP网关的构成所涉及的软硬件技术以及 IP Phone的核心技术及涉及的协议规范。最后对 IPPhone技术的发展前景进行了科学的分析。

This paper introduces principles of IP Phone technology. The basic communication model of IP Phone and the framework of connecting PSTN and Internet are presented. It also describes the hardware and software of an IP Phone gateway as well as protocols involving IP Phone core technology. Finally, it makes an analysis on the prospects.