Avaya 1220 - Manual (Page 65)

Basic features
65
Use the following procedure to configure Normal mode indication.
1. Press the Services key, select Telephone Options , and select
Normal mode indication.
2. Press the Up/Down navigation keys to scroll and select one of the
following:
— On
— Off
3. Press the Select soft key to save the configuration, else press the
Cancel key to cancel the modifications.