Fixing problems
Step by Step
Invalid entry
Not authorized
Currently not possible
Invalid station number
Key memory is full
124
Fixing problems
Responding to error messages on the
screen
Possible cause:
Station number is incorrect.
Possible reaction:
Enter correct station number.
Possible cause:
Locked function selected.
Possible reaction:
Apply to service personnel for authorization for relevant
function.
Possible causes:
Dialed a non-existent station number. Called phone is
unplugged.
Possible reactions:
Enter correct station number. Call this station again la-
ter.
Possible cause:
Dialed your own station number.
Possible reaction:
Enter correct station number.
Possible cause:
The system currently has no free space for
external station numbers.
Possible reaction:
Try again later.