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. ...

Menu navigation
The transmission time of the remote control is limited by law. To execute a function again, press or turn the required button again. ...

Office information
The number of unread messages and active tasks as well as the upcoming appointments are displayed. 1. "Office" 2. "Current office" 3. Select the desired entry to display det ...