该系统可以实现电话话单的记录、话费的统计与结算、用户话机权限控制、密码电话等功能。
The record and statistic of telephone charging, the control of user grade and cipher code telephone are developed deveploped in this system.
报警系统。侵入检测。事件控制器。与中央报警装置或电话报警送话器相结合的记录功能。
Alarm systems - Intrusion detection - Events controller-recorder function integrated in central alarm units or telephone alarm transmitters.
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