1. Find "Call Forwarding"
Press the Navigation key.
Select the settings icon.
Select Network & Connectivity.
Select Call.
Select Call Forwarding.
2. Divert calls to voicemail
Select the required divert type.
Select the required divert type.
Select Enable.
Key in (prefix) 5 (your phone number) and press the Right selection key.
(prefix) 5 (your phone number)
3. Return to the home screen
Press Disconnect several times to return to the home screen.