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 ...

Office
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Selecting channels
You can only listen to enabled channels. The selected channel is stored for the remote control currently in use. Via iDrive 1. "Radio" 2. "Satellite radio" 3. Select "A ...