| 摘要 |
In a howler indicator of a cordless telephone system, a howler signal is detected by a howler signal detecting means provided in the master device, the mobile device is informed of the detection of the howler signal by a predetermined command signal transmitted from the master device through a radio line, and in response to this an indicating means provided in the mobile device is activated to prompt the operator to replace or hang up the mobile device correctly for the purpose of putting the mobile device in the ON-HOOK state.
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