82 Copyright © 2007 Nokia. All rights reserved.C o n n e c t i v i t y3. To end the PTT call, select Disconnect, or if there areseveral PTT calls, select Options > Disconnect.Answer a push to talk callIf Incoming PTT calls is set to Notify in User settings, ashort tone notifies you of an incoming call. To accept thecall, select Accept. To silence the tone, select Silence. Toreject the call, press the end key.Make a push to talk group callTo call a group, select Options > PTT contacts, selectOptions > Make PTT group call, mark the contacts youwant to call by scrolling to them and pressing the scrollkey, and press the push to talk key.Subscribe to the login status ofothersTo subscribe to or unsubscribe from the push to talk onlinestatus of others, select Options > PTT contacts, scroll tothe contact, and select Options > Show login status orHide login status.Callback requestsSend a callback requestIf you make a one-to-one call and do not get a response,you can send a request for the person to call you back. Youcan send a callback request in different ways:• To send a callback request from PTT contacts, scroll toa contact, and select Options > Send callback request.• To send a callback request from Contacts, scroll to acontact, and select Options > PTT options > Sendcallback request.Respond to a callback requestWhen someone sends you a callback request, 1 newcallback request is displayed in the standby mode. SelectShow to open Callback inbox. Scroll to a contact, andpress the push to talk key.ChannelsWhen you are connected to a channel, all members joinedto the channel hear you talking. Up to five channels can beactive at the same time. When more than one channel isactive, select Swap to change the channel you want to talkto.