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 purp ...

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...

Putting into operation after a power failure
Putting the parking brake into operation The parking brake should only be put into operation again if it was manually released due to an interruption in the supply of electrical power. Otherw ...