该系统适用于大中城市公用电话计费器的集中控制。
It is applied to centralized manage for telephone booth in the city.
JY型单路IP电话计费器是用于对电话用户的通话过程进行计时计费的计量器具。
JY-type single IP phone charging device is used to process phone users call timing and charging of the measuring instruments.
论述了基于电话网的电话自动计费器集中管理系统及配套作用的电话计费器的设计思想。
This Paper introduces the design and implementation of a centralized management system for automatic telephone charging equipment based on telephone networks.
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