Find "Call forwarding"
Press the Navigation key.
Scroll to Settings and press the Navigation key.
Scroll to Call and press the Navigation key.
Scroll to Call forwarding and press the Navigation key.
Select divert type
Highlight one of the following options:
All voice calls
All voice calls
If busy
If not answered
If out of reach
If not available
Press the Navigation key.
Divert calls to voicemail
Scroll to Activate and press the Navigation key.
Scroll to To voice mailbox and press the Navigation key.
If you selected If not answered or If not available in step 2:
Highlight the required divert delay time and press the Navigation key.
Return to the home screen
Press Disconnect to return to the home screen.