Installation and Maintenance Manual - Aastra 5000 AMT/PTD/PBX/0058/4/6/EN
Installation and activation 01/2011 Page 377
Enter the new unlocking key for release R5.2.
The system will restart automatically after deferred switchover.
After restarting in R5.2, it is necessary to refresh the browser screen to access AMP. It is advisable
to close and restart it.
The next phase is to validate or save this new release definitely. See to the next paragraph.
"
Delete" checkbox:
By ticking this box and validating, the user can, for one reason or the other (timeout during a
session, version error), delete the entire file loaded previously (application and/or system) and
restart the upgrade afresh. This prevents, among others, any confusion with the files stored in the
(temporary) memory until the switchover phase.
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