From the Home screen, tap the Phone icon > the Menu key to access the following options:
Speed dial – Allows you to assign a speed dial to Contact entries.
Assisted dialing – Checkmark to enable assisted dialing features (such as when you're traveling outside your home area).
Edit tabs – Allows you to customize the tabs at the top of the Phone app screen.
Call settings – Allows you to change your call settings. (These are the same settings as in the full Settings menu in the Call sub-menu.)