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