M e n u f u n c t i o n s73Connect and disconnectTo connect to the PTT service, select Menu > Push to talk > Switch PTT on.indicates the PTT connection. indicates that the service is temporarilyunavailable. The phone automatically tries to reconnect to the service until youdisconnect from the PTT service. If you have added groups to the phone, you areautomatically joined to the active (Default or Listened) groups, and the name ofthe default group is displayed in the standby mode.To disconnect from the PTT service, select Switch PTT off.Make and receive a PTT callSet the phone to use the loudspeaker or earpiece for PTT communication. Whenthe earpiece is selected, to use the phone normally, hold it to your ear.Warning: Do not hold the device near your ear when the loudspeaker isin use, because the volume may be extremely loud.When connected to the PTT service, you can make or receive group calls or one-to-one calls. One-to-one calls are calls you make to only one person.Make a group callTo make a call to the default group, press the volume up key. A tone sounds,indicating that the access is granted, and the phone displays your nickname andgroup name.To make a call to a non-default group, select Group list in the PTT menu, scroll tothe desired group, and press the volume up key.Press and hold the volume up key the entire time you are talking, and hold thephone in front of you so that you can see the display. When you have finished,release the volume up key. Talking is allowed on a first-come, first-served basis.When someone stops talking, the first person to press the volume up key can talknext.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 list. Scroll to a contact, and press the volume up key.You can also select the contact from Contacts.To start a one-to-one call from the list of PTT groups, select Group list, and scrollto the desired group. Select Options > Active members, scroll to the desiredcontact, and press the volume up key.