To set the time how long all communication events areheld in the log, select Options > Settings > Logduration, an option, and OK.To clear missed and received calls and dialed numbers,select Recent calls > Options > Clear recent calls.Push to talkSelect Menu > Connect. > PTT.Push to talk (PTT) (network service) provides direct voicecommunication connected with the push of a key. Withpush to talk, you can use your device as you would use awalkie-talkie.You can use push to talk to have a conversation with oneperson or with a group of people, or to join a channel. Achannel is like a chat room: you can call the channel to seeif anyone is online. The channel call does not alert theother participants; the participants just join the channeland start speaking with each other.In push to talk communication, one person talks while theother participants listen through the built-in loudspeaker.Participants take turns responding to each other. Becauseonly one participant can talk at a time, the maximumduration of a speech turn is limited. For details of thespeech turn duration for your network, contact yourBefore you can use push to talk, you must define the pushto talk access point and push to talk settings. You mayreceive the settings in a special text message from theservice provider that offers the push to talk service.User settingsSelect Options > Settings > User settings.Define the following:• Incoming PTT calls — Select Notify if you want to seea notification of incoming calls. Select Auto-accept ifyou want push to talk calls to be answeredautomatically. Select Not allowed if you want push totalk calls to be rejected automatically.• PTT call alert tone — Select Set by profile if you wantthe incoming call alert setting for push to talk to followyour profile settings. If your profile is silent, you arenot available to others using push to talk, except forcallback requests.• Callback request tone — Define the ringing tone forcallback requests.• Application start-up — Select if you want to log in tothe push to talk service when you switch on yourdevice.• Default nickname — Enter your default nickname (20characters maximum) that is displayed to other users.• Show my PTT address — Define if you want callers toMake callsC:/USERS/MODEServer/zmao/15544327/rm-49_mars/en/issue_3/rm-49_mars_en_3.xml Page 29 Feb 23, 2006 10:58:C:/USERS/MODEServer/zmao/15544327/rm-49_mars/en/issue_3/rm-49_mars_en_3.xml Page 29 Feb 23, 2006 10:58: