P u s h t o t a l k78 Copyright © 2006 Nokia. All rights reserved.list. Scroll to a contact, and pressthe volume up key.You can also select the contactfrom Contacts.To start one-to-one call from thelist of PTT channels, selectChannel list, and scroll to thechannel you want. SelectMembers, scroll to the contactyou want, and press the volume upkey.To start one-to-one call from thelist of callback requests you havereceived, select Callback inbox.Scroll to the contact you want,and press the volume up key.Make a PTT call to multiplerecipientsYou can select multiple PTTcontacts from the contact list. Therecipients receive an incoming calland must accept the call toparticipate.Select Menu > Push to talk >Contacts list, and mark thecontacts you want. To make thecall, press the volume up key. Thecontacts who accept the call areshown.Receive a PTT callA short tone notifies you of anincoming PTT call. Informationsuch as the channel name or thenickname (network service) of thecaller is displayed.If you have set the phone to firstnotify you of one-to-one calls,accept or reject the call.If you press the volume up key totry to respond to a call whileanother member is talking, youhear a tone, and Queuing isdisplayed as long as you press thevolume up key. Press and hold thevolume up key, and wait for theother person to finish; then youcan talk.■ Callback requestsIf you make a one-to-one call anddo not get a response, you cansend a request for the person tocall you back.Send a callback requestYou can send a callback request inthe following ways:• To send a callback request fromthe contacts list in the Push totalk menu, select Contacts list.Scroll to a contact, and selectOptions > Send PTT callback.• To send a callback request fromContacts, search for thecontact you want, selectDetails, scroll to the PTT