Unify OpenScape 4000 - Fixing Problems; Responding to Error Messages on the Display

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Fixing problems
Responding to error messages on the
display
Possible causes:
Number is not correct.
Possible response:
Enter correct number.
Possible cause:
Locked function attempted.
Possible response:
Apply for authorization to execute function from manager.
Possible cause:
Dialing a non-existent number. Phone you are trying to reach is not in use.
Possible response:
Enter correct number. Call again later.
Possible cause:
Own number entered.
Possible response:
Enter correct number.
Possible cause:
External phone number memory space in system currently full.
Possible response:
Try again later.
Possible 1st cause:
If "Delete other level" shows in menu:
You have tried to save a function or internal phone number with LED-display us-
ing a key on an already occupied level (e.g. an external phone number).
Incorrect input
No authorization
Currently not possible
Phone number invalid
Key memory is full
Conflict on another level