1. Find "Call forwarding"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Call settings.
Press the name of the SIM.
Press Call forwarding.
2. Divert calls to voicemail
Press the required divert type.
Key in (prefix) 5 (your phone number) and press ENABLE.
(prefix) 5 (your phone number)
If you divert missed calls, you need to select a delay for the divert. Press the drop down list next to "Delay" and follow the instructions on the screen to select a delay for the divert.
3. Return to the home screen
Press the Home key to return to the home screen.