Make And Receive A Ptt Call; Make A Channel Call - Nokia 6555 User Manual

You may assign a default function to the PTT key to open the channel list,
the contacts list or a single channel or contact. See "PTT settings," p. 73.
To disconnect from the PTT service, select Switch PTT off.

Make and receive a PTT call

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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 channel 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 may be able to check the login status of your contacts in Menu >
Push to talk > Contacts list. This service depends on your network operator
and is only available for subscribed contacts. To subscribe a contact, select
Options >Subscribe contact, or if one or more contacts are already marked
Subscribe marked.
or indicate that the person is either available or unknown.
indicates that the person wants not to be disturbed, but can receive
callback requests.

Make a channel call

To make a call to a channel, select Channel list in the PTT menu, scroll to the
desired channel, and press and hold the PTT key.
Make a one-to-one call
To start a one-to-one call from the list of contacts to which you have
added the PTT address, select Contacts > Names or Menu > Push to talk >
Contacts list. Scroll to a contact, and press and hold the PTT key.
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indicates that the person has PTT not switched on.