See also:

Telephone
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Switching the warning function on/off
Switching the warning function on/off Press the button ▷ On: the LED lights up. ▷ Off: the LED goes out. The state is stored for the remote control currently in use. ...

Notes on EmergencyRequests
Do not use the voice activation system to initiate an Emergency Request. In stressful situations, the voice and vocal pitch can change. This can unnecessarily delay the establishment of a telephone ...