Reasons For Missing Caller Id Information - AT&T CL82450 User Manual

Caller ID

Reasons for missing caller ID information

There are occasions when other information or no information shows for
various reasons:
On-screen
message
PRIVATE
NUMBER
PRIVATE
NAME
PRIVATE
CALLER
UNKNOWN
NUMBER
UNKNOWN
NAME
UNKNOWN
CALLER
The caller prefers not to show the phone number.
The caller prefers not to show the name.
The caller prefers not to show the phone number and name.
Your telephone service provider cannot determine the caller's number.
Your telephone service provider cannot determine the caller's name.
Your telephone service provider cannot determine the caller's name and
telephone number. Calls from other countries may also generate this
message.
Reason
39