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Display Screen Messages
Screen Displays: When:
PRIVATE NAME The other party is blocking name information.
PPP The other party is blocking number information.
PRIVATE CALLER The other party is blocking name and number
information.
UNKNOWN NAME Your phone company is unable to receive
information about this caller’s name.
UUU Your phone company is unable to receive
information about this caller’s number.
UNKNOWN CALLER Your phone company is unable to receive
information about this caller’s name and number.
EXTENSION IN USE An extension phone on this line is being used, so
call information cannot be received.
Err There is a problem with Caller ID transmission
from the telephone company.
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CALLER ID OPERATION
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