AT&T ATTTL92273 user manual Reasons for missing caller ID information, On-screen message Reason

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.

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