Find "Cancel all barrings"
Press the Navigation key.
Scroll to Settings and press the Navigation key.
Scroll to Security and press the Navigation key.
Scroll to Call barring service and press the Navigation key.
Scroll to Cancel all barrings and press the Navigation key.
Cancel all call barrings
Key in the barring password (default is 0000) and press the Navigation key.
Exit
Press Disconnect to return to standby mode.