Caller ID Operation

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

On-Screen Message

Reason

PRIVATE NAME

Caller prefers to remain anonymous.

 

 

PRIVATE CALLER

Caller's name and telephone number are

 

not revealed at caller's request.

 

 

UNKNOWN NAME

Your local telephone company is unable to

 

determine the caller's name.

 

 

UNKNOWN CALLER

Your local telephone company is unable to

 

determine the caller's name and telephone

 

number. Long-distance calls from over-

 

seas also generate this message.

Contrast Adjustment (telephone base only)

There are four levels of contrast on the screen of the telephone base which can be adjusted to suit different viewing angles for both desktop use or wall-mounting. Press CONTRAST on the telephone base to adjust the contrast on the screen.

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AT&T E5908 user manual On-Screen Message Reason, Contrast Adjustment telephone base only, Not revealed at callers request