Infotainment system 95Incoming callWhen there is an incoming calla menu is displayed for you to acceptor decline the telephone call.Select the required option.Functions during a telephone callIf you are currently makinga telephone call, press themultifunction knob to opena submenu.Various options are availabledepending on the situation and rangeof functions of the mobile phone:■ Hang up: disconnect the telephoneconnection.■ Call number: enter a telephonenumber to make a secondtelephone call or perform DTMF(touch-tone dialling), e. g. for voicemail or telephone banking.■ Detach call: detach the connectionto a conference participant ina telephone conference.■ Merge calls: merge two calls whenthere are several active calls.■ Switch calls: switch between calls,if there are several calls.■ Mute call: mute a call.NoteIf the ignition is turned off duringa telephone call the connectionremains active until the telephonecall is terminated.CD 300 / CDC 400Setting the volume for hands-freefacilityTurn the m knob of the Infotainmentsystem or press the buttons + / - onthe steering wheel.Dialling a telephone numberWith the telephone main menu active,press the multifunction knob to openthe phone operation menu.Several options for dialling telephonenumbers, for using the phone bookand call lists, for viewing and editingmessages are available.Using the Phone off command theconnected phone can be detachedfrom the Phone portal.