Aastra Telecom SIP 57I - Manual (Page 480)

Upgrading the Firmware
8-4 41-001160-00, Release 2.1, Rev 04
IP Phone Administrator Guide
Firmware Upgrade
Manual Firmware and Configuration File Update
Restarting the phone forces the phone to check for both firmware and
configuration files stored on the configuration server.
Restarting the Phone Using the IP Phone UI
Warning: Do not reset or turn off the phone until the download is
complete.
IP Phone UI
Step Action
1 Press on the phone to enter the Options List.
2 Select Restart Phone.
3 For 53i:
Press # to confirm.
Note: To cancel the Restart, press the 3 key.
For 55i, 57i, 57i CT:
Press Restart.
Note: To cancel the Restart, press Cancel.