1.Lift the handset.
2.Press FEATURE 05. The digits are displayed as they are dialed.
1.At the phone press Feature 00.
2.Program Extension: is shown on the display.
3.Press the button that you want to edit or enter a number between 03 to 80 to select a button. The current setting of the button is displayed.
4.Dial FEATURE 05.
5.The current setting of the button will now be set to Last Number Redial.
•Exit programming by pressing Feature 00. You can also exit programming mode by lifting the handset, then placing it back in the cradle.