Overview

Telephone operation with a single call

1 Person you are calling
2 Icon for active telephone connection
3 NEW to call other parties
4 To switch hands-free microphone on/off
5 To send DTMF tones (not possible with all mobile phones)
6 To end a call

Switching the hands-free microphone on/off

This function is also available during an active phone call.

To call up the telephone basic menu.

To switch off: select Mike OFF and press to confirm.

or

Press the button on the multifunction steering wheel.

If the microphone is switched off, the display shows the symbol and the The microphone is turned OFF message appears for a short period.

To switch on: select Mike ON and press to confirm.

or

Press the button on the multifunction steering wheel.

The symbol disappears. You will briefly see the The microphone is ON message.

Ending an active call

Select in the telephone basic menu and press to confirm.

or

Press the button on the telephone keypad or on the multifunction steering wheel.

Call waiting, toggling and conference connections with several people

These functions are only available if they are supported by the mobile phone network provider. Furthermore, they are only available if the mobile phone supports HFP 1.5 or higher.

You can be called by more than one person (call waiting) while you are making a telephone call. In the same way, you can call another party while already on the phone with someone.

You can either toggle between these two conversations or interconnect them to create a conference call.

You can simultaneously switch back and forth between two parties or conduct a conference call with up to five others.

Call Waiting

If you are on the telephone and you receive another call, the call waiting display will appear. You also hear a tone.

To reject: select Reject and press to confirm.

or

Press the button on the telephone keypad or on the multifunction steering wheel.

To accept: select Accept and press to confirm.

or

Press the button on the telephone keypad or on the multifunction steering wheel.

This will put the active call on hold. You now have two calls. The accepted call is active and the first call is on hold.

If your mobile phone does not support HFP 1.5 or above, then the call which was active is canceled as soon as the second call is accepted.

Calling additional parties

You can call a second person while on the phone with someone else. This action puts the previous call on hold.

Select NEW from the telephone basic menu and press to confirm.

or

Select SEND on the telephone keypad.

Enter the phone number manually or via the phone book or from the call lists

Switching between two parties (toggling)

If you have added another party to your previously active call, the telephone menu then looks like this:

1 Active party
2 Party on hold

To switch to the other party: select 2 by turning the COMAND controller and press to confirm.

or

Select SEND on the telephone keypad.

or

Press the button on the multifunction steering wheel.

Interconnecting to create a conference

You can interconnect calls which are active and those which are on hold. This permits several parties to hear one another and speak with one another.

1 Active party
2 Party on hold
3 To interconnect parties by creating a conference connection

To interconnect parties by creating a conference connection: select Conference 3 by turning the COMAND controller and press to confirm.

Sending DTMF tones

This function is not supported by all mobile phones.

Answering machines or other devices can be controlled by DTMF tones, e.g. for remote query functions.

If you would like to listen to the messages on your answering machine, for example, select the corresponding number.

Select DTMF from the telephone basic menu during a conversation.

1 To transmit individual characters using the character bar
2 To transmit a phone book entry as a character string

To transmit individual characters: once a connection has been established to the answer phone, select the desired characters in the character bar and press to confirm.

or

To send a phone book entry as a DTMF sequence: select Name by turning the COMAND controller and press to confirm.

Select the desired phone book entry and press to confirm.

The entry is sent as a DTMF character string.

To switch back to the call display: select .

You can also send DTMF tones by pressing the corresponding button on the telephone keypad or using the Voice Control System (see the separate operating instructions).