IP0120/IP0121 User Manual
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3.6
Software Upgrade
The IP0120/IP0121 series IP Phone provide very simple software upgrade
method, following the hot key definitions in section 6.1(table 3) to do the
upgrade of different models. The upgrade is from the FTP server configured
inside the IP Phone, can be changed from the Web configuration described in
section 4.5.
During the software upgrade process, do not power down the IP Phone until
the upgrade is done.