Reasons For Missing Caller Id Information - AT&T CL83203 Complete User's 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.
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Reason