Caller ID

Reasons for missing caller ID information

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.

 

 

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AT&T SB67118 user manual Reasons for missing caller ID information, On-screen message Reason