AT&T 250 user manual New Call Light Stays On, New Call Light Does Not Go On, Screen is Blank

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IN CASE OF DIFFICULTY

New Call Light Stays On

Make sure you have reviewed all calls.

New Call Light Does Not Go On

Make sure you have installed four AA batteries.

Replace old batteries with four new ones.

Screen is Blank

The screen is blank until you receive a call.

Make sure all line cords are correctly connected.

The phone does not display the time and date until the first call is received.

You must subscribe to service from your local phone service provider to see call information on the screen (see “About Caller Identification” in BEFORE YOU BEGIN).

Screen Displays Extension Used, and None Are

Check all line cord connections.

No Caller ID Information While on a Call

Make sure your service provides Caller ID information while you are on a call. This is sometimes known as “Caller ID on Call Waiting,” or “Type II Caller ID.”

Make sure you have the Call Waiting feature on this phone set to ON (see “Display Screen Options” in FEATURE SETTINGS).

The phone cannot display the information if another phone on the same line is in use. Make sure all extensions are on hook.

Make sure you have installed four AA batteries (see INSTALLATION).

Replace old batteries with four new ones.

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Contents Trimline Caller ID Telephone Advanced American Telephones. All rights reserved Contents Before YOU Begin About Caller Identification Caller IDAbout Home Area Code and Local Area Codes Battery Installation InstallationTable/Desk Telephone InstallationWall Installation For Table/Desk and Wall Installation Feature Settings Summary Feature SettingsSet Home Area Code Language SelectionYou can program up to four Local Area Codes Set Local Area CodesCall List Order Display Screen OptionsCall Waiting Set ContrastTelephone Operation New Call Light Line Status IndicatorFlash/Call Waiting Ringer VoumeTelephone Memory Dialing Numbers MemoryStoring Memory Numbers About Caller Identification Caller ID OperationReviewing Call History Call HistoryDisplay Dial Display Dial OptionsRemoving Call Records from History Setting Screen Display OptionsRemoving a Specific Call Record Removing All CallsDisplay Screen Messages No Dial Tone Case of DifficultyCall Cannot Be Dialed or Is Dialed Slowly Telephone Does Not RingNew Call Light Does Not Go On New Call Light Stays OnScreen is Blank Screen Displays Extension Used, and None Are