Aastra Telecom 53I, 55I, 57I, 57I CT Using the Options Key From the 53i, 55i, or 57i/57i CT:, From the 57i CT handset:

Configuration Methods
2-4 41-001160-00, Release 2.1, Rev 04
IP Phone Administrator Guide
Configuration Interface Methods
Using the Options Key
From the 53i, 55i, or 57i/57i CT:
From the 57i CT handset:
Step Action
1 Press on the phone to enter the Options List.
2Use the r and s to scroll through the list of options.
3On 53i:
To select an option, press the Enter softkey, or select the number on the keypad that corresponds to
the option in the Option List.
On the 55i, 57i, 57i CT:
To select an option, press the Select softkey, press 4, or select the number on the keypad that
corresponds to the option in the Option List.
4On 53i:
Use the Set softkey after making a change to an option, to save the change.
On the 55i, 57i, 57i CT:
Use the Change softkey to change a selected option.
5 Press the Done softkey at any time to save the changes and exit the current option.
6 Press the Cancel softkey, press 3, or press at any time to exit without saving changes.
Step Action
1 Press the  key to enter the Options List when the phone is not in use.
2 Use the scroll keys  and Ï to scroll the options.
3 To select and change an option, press the r keys.
4Press y when done.