To enable call forwarding press the more button until the softkey apps appears then press it.
Ensure Pref is highlighted then press the softkey select.
Navigate down to Call Settings and press the softkey modify.
Press the softkey modify to enter the call forwarding settings.
To modify the settings for any of the below options, use the arrow keys to navigate to them and press the softkey select.
Use the arrow keys to select the option you want, enter a phone number if required and then use the softkey select to forward to the chosen option.