TANDBERG 550MXP - Manual (Page 119)

Administrator Settings
109
On The system will allow a remote system to upgrade local software.
Off The system will not allow a remote system to upgrade local software.
Note that the configuration can also be done via the telnet or the serial port.
Fallback to Telephony
When dialing a number and the system fails to place a video call to the number dialed, the
system will attempt to place a telephone call if Fallback to Telephony is enabled.
On Enables fallback from video calls to telephone calls.
Off Disables fallback.