多路电话计费系统

Multiple Telephone Service System

本文从工程的角度讨论了多路电话计费系统的设计方案，分析了系统设计中遇到的问题，给出了解决方法，并基于实际工程的经验，较好地解决了系统的可靠性、抗干扰性。

The project of designing the multiple telephone service system is researched as a whole.The problems met in the system designing process is analysised and the method to solve these problems is gave.Based on the working experience,the performace of reliability and antiinteraction is better accounted.