Via the Web
Find your phone's IP address
From a computer located on the same subnet as the phone, type the phone's IP address into a web browser
Enter admin as the username and 22222 as the password
Click Reset from the left-hand navigation menu
Click Restore
The phone will reboot, revert to factory defaults, and then attempt to download it's configuration file
Via the phone
Press Options
Press Phone Status
Press Restore Defaults
Enter the password 22222
Press All Defaults
The phone will reboot and should try to pick up configuration files located on the server
Set the Boot Server
480i and/or CT
Press the Options key, this is the Aastra A logo key below the red hangup key.
Scroll down to 9. Network and press the 'Show' softkey.
Enter the password: 22222 and press the 'Enter' softkey.
Scroll down to 7.TFTP Server and press the 'Show' softkey.
Scroll to 2. Alternate TFTP and press the 'Show' softkey.
Set the IP address to <FONALITY SERVER'S INTERNAL IP> and press the 'Done' softkey
Scroll to 3. Select TFTP and press the 'Show' softkey.
Press the 'Change' softkey until the 'Select TFTP' option is set to 'Alternate' and press the 'Done' softkey
Keep pressing the 'Done' Softkey until you are presented with the 'Are you sure you wish to restart the phone?' and press the 'Restart' softkey.