Nokia N72-5 Quick Manual page 17

If you reject or clear the invitation, the invitation is stored
in your messaging inbox. To join the channel later, open
the invitation message, and save the invitation. Select Yes
from the dialog to connect to the channel.
View the push-to-talk log
Press , and select Connect. > Push to talk > Options >
PTT log. The log contains the following folders: Missed
calls, Received calls, and Created calls.
To start a one-to-one call from PTT log, press .
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