IP电话通信技术分析

On Technology of IP

介绍了IP电话的工作原理 ,着重分析了IP电话通信的基本体系结构及关键技术 ,特别是VoIP的媒体编码解码技术、传输技术以及控制信令技术。最后分析了IP电话存在的技术问题和发展前景。

This paper introduces the principle of IP(Internet Phone),and analys es mainly the basic system structure and the key technology of IP ,especially an alyses media press code and release the code technology,transmit technology an d information unit control technology.Last analyses the existing problems and a dvancing way.