See also:

Tilt alarm sensor
The tilt of the vehicle is monitored. The alarm system responds in situations such as attempts to steal a wheel or tow the car. ...

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 purp ...

Telephone
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