To call up the telephone menu: press the function button once or twice.

If the mobile phone is ready for use, the following display appears:

Example display: telephone basic menu (Bluetooth® interface)

1 Network provider icon
2 Signal strength of mobile phone network
3 Receiver icon or
4 To display the COMAND phone book
5 To display call lists
6 Character bar with characters for phone number entry
7 Bluetooth® name of the currently connected mobile phone

Displays 1 and 2 are shown, depending on the mobile phone connected.
Bars 2 display the current signal strength of the mobile phone network. If all bars are filled, you have optimum reception. If all bars are empty, there is very poor reception or none at all.
Receiver icon 3 shows whether a call is active/being connected or not .