IP电话及其仍需解决的问题

IP Phone and these porblems of it still requlred settlement

本文从IP电话的概念、基本原理、基本结构、优点、种类、关键技术及IP电话仍需解决的问题等方面,详细地介绍了IP电话。

This article provides instructions of IP Phone Technology carefully, This document focuses on the following aspects: the definition of IP Phonethe basic principle of IP Phonethe basic structure of IP Phone.these advantages of IP Phonethese categories of IP Phone, these key technologies of IP Phone and these problems of IP Phone still required settlement at present etc.