Automatic redial
This feature attempts to redial numbers that are busy due
to the wireless network. It will not redial numbers to a
busy party.
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Your phone will redial the number you’re trying to call up
to 3 times after you hear a quick, busy signal. Press Quit
or
to stop the call attempts.
Activating automatic redial
Press Menu 4-1-2 (Settings - Call settings - Automatic
redial), then scroll to On and press OK.