Make calls79have attached a compatible headset with Bluetoothconnectivity, to route the sound to the headset, selectOptions > Activate handsfree. To switch back to thehandset, select Options > Activate handset.To end an active call and replace it by answering thewaiting call, select Options > Replace.If you have several calls active, to end them all, selectOptions > End all calls.Many of the options that you can use during a voice callare network services.Voice and video mailboxesTo call your voice or video mailbox (network services, videomailbox available only in the UMTS network), press andhold in the standby mode, and select Voice mailboxor Video mailbox. See also ‘Call divert’, p. 104, and ‘Videocalls’, p. 80.To change the phone number of your voice or videomailbox, press , and select Tools > all mailbox, amailbox, and Options > Change number. Enter thenumber (obtained from your wireless service provider), andselect OK.Make a conference call1 Make a call to the first participant.2 To make a call to another participant, select Options >New call. The first call is automatically put on hold.3 When the new call is answered, to join the firstparticipant in the conference call, select Options >Conference.To add a new person to the call, repeat step 2, andselect Options > Conference > Add to conference.Your device supports conference calls between amaximum of six participants, including yourself.To have a private conversation with one of theparticipants, select Options > Conference > Private.Select a participant, and select Private. The conferencecall is put on hold on your device. The otherparticipants can still continue the conference call.After you finish the private conversation, selectOptions > Add to conference to return to theconference call.To drop a participant, select Options > Conference >Drop participant, scroll to the participant, and selectDrop.4 To end the active conference call, press .Speed dial a phone numberTo activate speed dialing, press , and select Tools >Settings > Phone > Call > Speed dialling > On.To assign a phone number to one of the speed dialing keys( — ), press , and select Tools > Speed dial.C