21Copyright © 2004 Nokia. All rights reserved.
2. Call functions
■ Making a call
1. Key in the phone number, and the area code if necessary. 
To make international phone calls: Add a "+" by pressing  twice, and add 
the country (or region) code in front of the area code (delete the leading 0 if 
necessary).
Press   to delete the last digit entered.
2. Press Call to call the number. Press   to increase or   to decrease the volume 
of the earpiece or headset during a phone call.
3. Press End to end the call (or to cancel the call attempt).
Making a conference call
Conference call is a  Network Service that allows up to four people to participate 
in the same call.
1. To make a call to a new participant, press   and Options, and select New 
call.
2. When the new call has been answered, add it to the conference call by pressing 
Options and selecting Conference.