Siemens optiPoint 410 Administrator's Manual page 48

Administration
Step by Step
No Database
PABX not found
Client not registered
Reject cause unknown
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Other error messages
The connection or login to the database failed.
No IP connection to the gateway.
The telephone is not correctly arranged through
HiPath Manager E.
No client licenses exist in the gateway.
(Empty display) No connection to the power supply
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optiPoint 410 economy/standard