AT&T 1070 - Manual (Page 68)

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Appendix J
In case of difficulty
The screen displays AC
FAIL.
• The phone has been disconnected from AC pow-
er. When AC power is restored, the screen will
return to the usual display. One-touch and redial
numbers are retained until power is restored.
• This phone will operate during a power failure
if a working battery has been installed. You
will be able to answer calls with the handset and
dial calls using the dial pad keys and the
one-touch or redial features. No other features
will work until power is restored. All programming
is retained during a power failure. Operation during a power
failure.
The call privacy feature
does not work. • In some installations that have fiber optic service
(digital service to the building, analog service
within the building) the signals to the extensions
may not support the call privacy feature.
Error tone (fast busy
signal) when making a
page call. • The Do Not Disturb feature is activated at the
extension you are calling.
Cannot join a
conversation in progress. The call privacy feature prevents another set on
the system from interrupting a conversation. Make
sure you press the
LINE button to release privacy.
(See Call privacy on page 21.)
A double beep sounds
every 30 seconds. • There is a call on hold at this extension. Press
and release the
LINE button of the call on hold
to return to the call and turn off the reminder
beep.