Aastra Telecom 57i IP Phone - Manual (Page 45)

Model 57i IP Phone User Guide 37
Softkeys
4. In the "Type" field, select BLF to apply to the softkey.
5. In the "Label" field, enter a label to apply to this softkey.
6. In the "Value" field, enter the phone number or extension you want to
monitor.
7. In the "Line" field, select a line for which to apply this softkey.
Valid values are 1 through 9.
8. If configuring a softkey on the Bottom Keys, in the state fields, check
(enable) or uncheck (disable) the states you want to apply to this softkey.
9. Click to save your changes.
10.Click on Operation->Reset.
11.In the "Restart Phone" field click
to restart the IP phone.