IP电话中的几个关键技术

On the Key Techniques in IP Telephone System

对现有IP电话的三种使用方式进行了讨论,分析了网关中所要解决的技术关键问题。对局域网中的语音压缩标准H.323在Internet上使用的可能性和需要注意的技术要点进行了详尽的讨论,并对其关键技术进行分析和比对,形成一种适应现有技术条件的组合方案。

This paper deals with the three usages of current IP telephone system. And it analyses the key technical problems to be resolved in gateway. In the meantime, it gives a thorough study of whether H.323 voice compressed standard in the local net can be used on the Internet and of the technical points to be paid attention to. Finally it makes a comparison and contrast of its key techniques so as to form a combined scheme suitable to the present technical conditions.