P u s h t o t a l k58You may assign a default function to the PTT key to open the channel list, thecontacts list or a single channel or contact. See PTT settings p. 60.To disconnect from the PTT service, select Switch PTT off.■ Make and receive a PTT callWarning: Do not hold the device near your ear when the loudspeaker isin use, because the volume may be extremely loud.To make a channel call, a one-to-one call, or a call to multiple recipients, youmust hold the PTT key as long as you talk. To listen to the response, release thePTT key.You may be able to check the login status of your contacts in Menu > Push totalk > Contacts list. This service depends on your network operator and is onlyavailable for subscribed contacts. To subscribe a contact, selectOptions >Subscribe contact, or if one or more contacts are already markedSubscribe marked.or indicate that the person is either available or unknown.indicates that the person wants not to be disturbed, but can receive callbackrequests. indicates that the person has PTT not switched on.Make a channel callTo make a call to a channel, select Channel list in the PTT menu, scroll to thedesired channel, and press and hold the PTT key.Make a one-to-one callTo start a one-to-one call from the list of contacts to which you have added thePTT address, select Contacts > Names or Menu > Push to talk > Contacts list.Scroll to a contact, and press and hold the PTT key.To start a one-to-one call from the list of PTT channels, select Channel list, scrollto the desired channel, and select Members. Scroll to the desired contact, andpress and hold the PTT key.To start a one-to-one call from the list of callback requests you received, selectCallback inbox. Scroll to the desired nickname, and press and hold the PTT key.