铁路电话交换网的现状与发展

The Current Status and Development of Railway Telephone Switch Network

介绍了铁路电话交换网的现状，“九五”发展目标，网络结构的优化、运用维护管理以及ＩＳＤＮ、ＩＮ等新的网络业务。

This paper introduces the general targets for railway telephone switch network during the ninth five years.