通过IP网络延伸电话用户线

Extending subscriber line using IP network

近年来计算机网络高速发展 ,IP网络已经相当普遍。而电话网也逐步实现了无人值守和集中监控。介绍了一种通过 IP网络将交换机用户线延伸的技术 ,使在监控中心也能直接检测电话系统的通话情况。同时 ,这种系统也能应用于其它有 IP网络。

With the rapid development of internet and growing prevalence of IP network, Telephone Network today has achieved concentrative monitoring. This paper introduces one way of extending the subscriber line through IP network, the use of which makes possible any direct examination of the communication process in the monitoring center. At the meantime, it is also applicable to other places w ith IP network even if no subscriber line is attainable.