See also:

Deleting all stored programs
Press the two outer memory buttons for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually ...

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 ...

Service Request
At a glance Sends information to your service partner to request the arrangement of a service appointment. The TeleService data is transmitted during a Service Request. If possible, your service ...