Make a one-to-one call
To start a one-to-one call from the list of contacts, 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,
the desired channel, and Members. Scroll to the desired contact, and press
and hold the PTT key.
To start a one-to-one call from the list of callback requests you have received,
select Callback inbox. Scroll to the desired nickname, and press and hold the
PTT key.