31Copyright © 2006 Nokia. All rights reserved.■ Options during a callMany of the options that you can use during a call are network services. For availability, contact your serviceprovider.To increase or decrease the volume during a call, press the volume up or down key on the side of the phone.Select Options during a call and the following options may be available.DTMF tones— to send tone stringsSwap — to switch between the active call and the call on holdTransfer calls — to connect a call on hold to an active call and disconnect yourselfConference — to make a conference call that allows up to five persons to take part in a conference callPrivate call — to discuss privately in a conference callDo not hold the device near your ear when the loudspeaker is in use, because the volume may be extremelyloud.