AT&T Trimline 240 - Manual (Page 21)

18
Display Screen Messages
Screen Displays: When:
PRIVATE NAME The other party is blocking
name information.
PPP The other party is blocking
number information.
UNAVAILABLE 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.
NO INFORMATION Your phone company is
unable to receive any
information about this
caller.
ERROR PRESENT There is a problem with
Caller ID transmission from
the telephone company.
The call will not be saved
in call history.
CALLER ID OPERATION
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