AASTRA 4422 IP Office for BusinessPhone User Guide - Manual (Page 20)

Start the Phone – Log On/Off
BusinessPhone – Dialog 4422 IP Office 20
Update software
If a new software for your IP-telephone has been made available on
your LAN by your system administrator, the following displays
might appear:
The x indicates a timer counting down seconds. If no key is
pressed during this time (approximately. 60 seconds), “Yes” is
selected automatically. You can speed up the procedure by
pressing the Loudspeaker key. Â
Press to update the software (=Yes).
The software download takes about 30 seconds, then the startup
procedure continues automatically.
Note: It is important that you do not disconnect the power
from the phone while the new software is being
downloaded and saved. If a power failure occurs, the
software must be downloaded again.
If you want to continue to use the previously stored settings: í
Press to use the current version of the software (=No).
A new bootrom version
is available, update? (x)
A new application version
is available, update? (x)