
BlackBerry Curve 9720
Find "FDN Phone List"
Press Connect.
Press the Menu key.
Press Options.
Press FDN Phone List.
Turn fixed dialling on or off
Press the Menu key.
Press Enable FDN Mode or Disable FDN Mode (depending on the current setting).
Key in your PIN2 (default is 1111) and press the Navigation key.
Return to the home screen
Press Disconnect to return to the home screen.