Nokia 6750 - Manual (Page 40)

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PTT Service — to turn the service on or off. If you have added groups to the phone,
you are automatically joined to the active groups. There may be a brief delay while
PTT connects.
Connection icons
PTT is connected: your status is Available
Service is disconnected
Notices are pending
Your status is Do Not Disturb
Add contacts
Add a one-to-one contact
To add a contact to the PTT contacts list, select Menu > My Stuff > Tools > Push
to Talk > Add contact. Enter the name and telephone number of the new contact.
If the contact has a PTT compatible phone, an invitation is sent.
Add a contact group
You can save a group of contacts to be able to call them collectively.
To add a PTT contact group, select Menu > My Stuff > Tools > Push to Talk > Add
group and name the group.
To add an existing contact to the group, select From PTT contacts, and mark the
contacts you want added to the new group.
To add a new contact to the group manually, enter the name and telephone
number of the new contact. An invitation is sent to the person.
Make or receive a PTT call
Warning: Do not hold the device near your ear when the loudspeaker is in use,
because the volume may be extremely loud.
To make a group call, a one-to-one call, or a call to multiple recipients, you must
hold the PTT key as long as you talk. To listen to the response, release the PTT key.
You can check the login status of your contacts in Menu > My Stuff > Tools >
Push to Talk > PTT contacts.
Contact status icons
Contact is available
Contact is available with phone set to the Vibrate or Silent profile