AT&T SB67108 - AT&T User Manual

Caller ID
Reasons for missing caller ID information
67
Reasons for missing caller ID information
There are also occasions when other information or no information shows for
various reasons:
On-screen message Reason
Private caller
The caller prefers not to show the telephone number and name.
Unknown caller
Your telephone service provider cannot determine the caller’s
name and telephone number. Calls from other countries may also
generate this message.

AT&T SB67108 - AT&T Specifications

General

Brand	AT&T
Model	SB67108 - AT&T
Category	Telephone
Language	English