User manual

8.9.2 System Upgrade
The UTG7204-ON supports two different ways for system upgrade; Web GUI Upgrade and SIP Server
Upgrade. Before upgrading, please follows the steps:
(1) Get the desired upgrade version.
(2) Backup a copy of user information by import/export data files.
(3) The power must be on while upgrading.
Then you may upgrade per the web instruction procedures.
8.9.3 Reboot
Reboot is used to enable the changes. Note that for Factory Default Setting, please refer to the
chapter. 7 Reset to Factory Default.
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