Avaya 1220 - Manual (Page 56)

Basic features
56
Use the following procedure to configure default area codes (maximum of
three).
1. Press the Services key, select
Telephone Options , and select Call
Log Options.
2. Press the Up or Down keys to scroll,
and select Area Code Setup .
3. Press the Enter key.
4. Press the Up or Down keys to scroll,
and select one of the following:
— 1st Code
— 2nd Code
— 3rd Code
5. Press the Enter key.
6. Use the dialpad to enter the number at
the prompt.
(Services)