See also:

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purpose. ...

Office
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Initiating an Emergency Request
1. Press the cover briefly to open it. 2. Press the SOS button until the LED in the button lights up. ▷ The LED lights up: an Emergency Request was initiated. If the situation allows, w ...