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2.4 Fault Recovery/Diagnostics
188 Feature Guide
2.4.2 Power Failure Restart
Description
When the electricity is turned back on, the PBX restarts and automatically loads stored data.
Conditions
• In the event of a power failure, PBX memory is protected by a factory-installed lithium battery. There is
no memory loss except the memories of Automatic Callback Busy ( 1.7.1 Automatic Callback Busy
(Camp-on)), Call Park ( 1.12.2 Call Park), and Redial ( 1.6.1.4 Redial).