Find "Voice call"
Press Applications.
Press Settings.
Press Call.
Press Call forwarding.
Press Voice call.
Select divert type
The current settings are displayed.
Press one of the following options:
Always forward
Always forward
Forward when busy
Forward when unanswer
Forward when unreachab
Divert calls to alternative number
Key in the required number and press Enable.
Exit
Press the Home key to return to standby mode.