84You can either accept or reject an incoming one-to-one call if you have setthe phone to first notify you of the one-to-one calls.When you press and hold the PTT key while the caller is talking, you hear aqueuing tone, and Queuing is displayed. Press and hold the PTT key, and waitfor the other person to finish; then you can talk immediately.■ Callback requestsIf you make a one-to-one call and do not get a response, you can send a requestfor the person to call you back.Send a callback requestYou can send a callback request in the following ways:To send a callback request from the contacts list in the Push to talk menu, selectContacts list. Scroll to a contact, and select Options > Send PTT callback.To send a callback request from Contacts, search for the desired contact, andselect Details. Scroll to the PTT address, and select Options > Send PTT callback.To send a callback request from the channel list in the PTT menu, selectChannel list, and scroll to the desired channel. Select Members, scroll to thedesired contact, and select Options > Send PTT callback.To send a callback request from the callback request list in the Push to talkmenu, select Callback inbox. Scroll to a contact, and select Options > SendPTT callback.Respond to a callback requestWhen someone sends you a callback request, Callback request received isdisplayed in the standby mode.