1 Find "Call forwarding"
Press the phone icon.
Press the menu icon.
Press Call settings.
Press Call forwarding.
2 Select divert type
The current settings are displayed.
Press one of the following options:
3 Divert calls to voicemail
Key in +447836121121 and press Turn on.
If you selected Unanswered in step 2, you need to select a delay for the divert:
Press the required delay.
4 Return to the home screen
Press the home icon to return to the home screen.