AT&T Four-Line Intercom Speakerphone 955 User Manual page 56

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IN CASE OF DIFFICULTY
Tone Signals Do Not Activate a Remote Device
• Tone signaling does not work during conference calls.
• The phone generates tones of fixed duration, which may not be long
enough to activate some devices such as answering machines.
Operation During a Power Failure
This phone will operate during a power failure if a charged battery has
been installed. You will be able to dial and answer calls with the handset
or headset, but no other features will work until power is restored.
No Caller ID Information While on a Call
• You must subscribe to combined Caller ID with Call Waiting as a
single service to see Call Waiting information.
• Make sure the TEL SET and TEL LINE cords are not reversed.
Display Screen is Blank
Make sure the power cord is connected to both the phone and an
electrical outlet not controlled by a wall switch.
No Caller ID Information Received
Caller ID information is transmitted by the telephone company between
the first and second rings. Allow your phone to ring at least twice to
receive Caller ID information.
NEW CALL Light Flashes
• Make sure you have reviewed all messages on all lines.
• It may be a false indicator from the Central Office. To clear, see "Reset
COVM Indicator" in CALLER ID OPERATION.
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