1 Find "Voice"
Slide two fingers downwards starting from the top the screen.
Press the settings icon.
Press Call.
Press Call forwarding.
Press Voice.
2 Divert calls to voicemail
Press the required divert type.
Key in (prefix) 5 (your phone number) and press TURN ON.
(prefix) 5 (your phone number)
3 Return to the home screen
Press the Home key to return to the home screen.