AMT/PTD/PBX/0058/4/6/EN Installation and Maintenance Manual - Aastra 5000
Page 376 01/2011 Installation and activation
6.7.2.3 Switchover
After the application release or system version download, system switchover to the new
loaded version is proposed according to two modes:
•IMMEDIATE
• DEFERRED.
These two modes are explained in the Aastra Management Portal operating manual.
Immediate switchover
Enter the new unlocking key for release R5.2.
The system restarts automatically after the switchover phase.
The next phase is to validate or save this new release definitely. See to the next paragraph.
Deferred switchover
In this case, the upgrade operation will be run by the system on the date and time indicated in the
DATE and HOUR fields.
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