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■ Connect to the PTT service
To connect to the PTT service, select Menu > Push to talk > Switch PTT on.  
indicates the PTT connection.   indicates that the service is temporarily 
unavailable. The phone automatically tries to reconnect to the service until you 
disconnect from the PTT service. If you have added channels to the phone, you are 
automatically joined to the active (Default or Listened) channels, and the name of 
the default channel is displayed in the standby mode.
To disconnect from the PTT service, select Switch PTT off.
■ Make and receive a PTT call
Set the phone to use the loudspeaker or earpiece for PTT communication. When 
the earpiece is selected, you can use the phone normally, by holding it to your ear.
Warning: Do not hold the device near your ear when the loudspeaker is in use, 
because the volume may be extremely loud.
When connected to the PTT service, you can make or receive channel calls, group 
calls, or one-to-one calls. One-to-one calls are calls you make to only one person.
Press and hold the PTT key the entire time you are talking, and hold the phone in 
front of you so that you can see the display. When you are finished, release the PTT 
key. Talking is allowed on a firstcome, firstserved basis. When someone stops 
talking, the first person to press the PTT key can talk next.
To check the login status of your contacts, select Menu > Push to talk > Contacts 
list. This service depends on your network operator or service provider and is only 
available for subscribed contacts.  ,  , or   indicate that the contact is