Mercedes-Benz COMAND Operator's Manual page 147

GSM
Use the number key 2 and then
press k.
The active call is put on hold and the
call formerly on hold is now active.
Ending the active call
TDMA, CDMA
Press K.
Both calls will be ended, but
the on-hold call will call back.
GSM
Press K.
The active call will be ended, the call
formerly on hold is active.
Making a conference call
TDMA, CDMA
When a first call is active a second call can
be placed to make a conference call.
During an active call:
Use the number keys 1 to 9 to en-
ter the telephone number of the party
that you would like to conference in.
Press k.
Dialing will begin. If the person called
answers the call, the call is active, the
formerly active call is put on hold.
Press k again to make all calls
active and have the conference call.
Telephone*
Telephone operation
GSM
To make a conference between to calls
(one that is active and one on hold):
Use the number key 2 and then
press k.
Ending a conference call
Press K.
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