Do Not Disturb
By activating this function all incoming calls are blocked and automatically redirected to the answering machine. The function can be switched on and switched off at any moment.
This is a way of communicating on the half-duplex communication line, includes receiving and transmitting devices (walkie-talkie) by the way of pressing the button for switching to the voice mode or transition to the listening mode. It works as a radio speaker; one can talk by pressing the button and can listen to a voice message by releasing the button.
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