P u s h t o t a l kCopyright © 2006 Nokia. All rights reserved. 65■ Make and receive aPTT callSet the phone to use the loudspeakeror earpiece for PTT communication.When the earpiece is selected, you canuse the phone normally, by holding itto your ear.Warning: Do not hold thedevice near your ear whenthe loudspeaker is in use,because the volume may beextremely loud.When connected to the PTT service,you can make or receive channel calls,group calls, or one-to-one calls.One-to-one calls are calls you make toonly one person.Press and hold the PTT key the entiretime you are talking, and hold thephone in front of you so that you cansee the display. When you are finished,release the PTT key. Talking is allowedon a first-come, first-served basis.When someone stops talking, the firstperson to press the PTT key can talknext.To check the login status of yourcontacts, select Menu > Push to talk >Contacts list. This service depends onyour network operator or serviceprovider and is only available forsubscribed contacts. , , orindicate that the contact is available,not logged into the PTT service, orunknown. indicates that thecontact does not want to be disturbed.You cannot call the contact, but youcan send a callback request.To subscribe a contact, selectOptions > Subscribe contact, or if oneor more contacts are marked, selectSubscribe marked.Make a channel or agroup callTo make a call to a channel, selectChannel list in the PTT menu, scroll tothe desired channel, and press the PTTkey.To make a group call from Contacts,the recipients must be connected tothe PTT service. Select Menu >Contacts > Groups, scroll to thedesired group, and press the PTT key.Make a one-to-one callTo start a one-to-one call from the listof contacts to which you added the PTTaddress, select Contacts list. Scroll to acontact, and press the PTT key.You can also select the contact fromContacts.To start a one-to-one call from the listof PTT channels, select Channel list,and scroll to the desired channel.Select Members, scroll to the desiredcontact, and press the PTT key.To start a one-to-one call from the listof callback requests you have received,