Find "Call forwarding"
Press the phone icon.
Press the Menu key.
Press Settings.
Press Voice call.
Press Call forwarding.
Cancel all diverts
After a moment the current settings are displayed.
Press one of the following options:
Always forward
Always forward
Forward when busy
Forward if unanswered
Forward if unreachable
Press Disable.
Repeat until all diverts have been cancelled.
Repeat until all diverts have been cancelled.
Return to the home screen
Press the Home key to return to the home screen.