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configurations and restore factory default; if you
login as Guest, the phone will reset all
configurations except for VoIP accounts (SIP1-4)
and version number.
UPDATE
UPDATE interface
Field name
Explanation
Web Update
Click the browse button, find out the config file
saved before or provided by manufacturer,
download it to the phone directly, press
“Update” to save. You can also update
downloaded update file, firmware by web.
Account
You can add or delete user account, and change the authority of each user
account in this web page.
Multi-media Video Phone UTT-990 User Manual