Find "Voice call"
Press Applications.

Press Settings.

Press Call.

Press Call forwarding.

Press Voice call.

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 when unanswer

Forward when unreachab

Press Disable.
Repeat until all diverts have been cancelled.
Repeat until all diverts have been cancelled.

Exit
Press the Home key to return to standby mode.
