Caller ID

Reasons for missing caller ID information

There are also occasions when other information or no information shows for various reasons:

On-screen

Reason

message

 

 

 

QSJWBUF!

The caller prefers not to show the phone number.

OVNCFS

 

 

 

QSJWBUF!

The caller prefers not to show the name.

OBNF

 

 

 

QSJWBUF!

The caller prefers not to show the phone number and

DBMMFS

the name.

 

 

VOLOPXO!

Your local telephone company cannot determine the

OVNCFS

caller's number.

 

 

VOLOPXO!

Your local telephone company cannot determine the

OBNF

caller's name.

 

 

VOLOPXO!

Your local telephone company cannot determine the

DBMMFS

caller's name and telephone number. Calls from other

 

countries may also generate this message.

 

 

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AT&T EL51109 user manual Reasons for missing caller ID information