P u s h t o t a l k56 Copyright © 2006 Nokia. All rights reserved.To disconnect from the PTT service,select Switch PTT off.■ Make and receive a PTTcallSet the phone to use the loudspeakeror earpiece for PTT communication.When the earpiece is selected, youcan use the phone normally, byholding it to 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 channelcalls, group calls, or one-to-onecalls. One-to-one calls are calls youmake to only 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 arefinished, release the PTT key. Talkingis allowed on a firstcome, firstservedbasis. When someone stops talking,the first person to press the PTT keycan talk next.To check the login status of yourcontacts, select Menu > Push totalk > Contacts list. This servicedepends on your network operator orservice provider and is only availablefor subscribed contacts. , , orindicate that the contact isavailable, not logged into the PTTservice, or unknown. indicatesthat the contact does not want to bedisturbed. You cannot call thecontact, but you can send a callbackrequest.To subscribe a contact, selectOptions > Subscribe contact, or ifone or more contacts are marked,select Subscribe marked.Make a channel or a groupcallTo make a call to a channel, selectChannel list in the PTT menu, scrollto the desired channel, and press thePTT key.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 thelist of contacts to which you addedthe PTT address, select Contacts list.Scroll to a contact, and press the PTTkey.You can also select the contact fromContacts.