AT&T 993 User Manual page 65

Two-line speakerphone with caller id/call waiting
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Appendix
Troubleshooting
Speakerphone
does not work.
Power Failure is
flashing.
Memory Error
CID del shown in
display.
If the other person cannot hear you, make sure the
MUTE light is off.
Set the time and date following the directions in Set
the time and date on page 22.
— OR —
If you subscribe to caller ID service, the time and date will
be reset automatically with the next incoming call.
This display indicates that a rare memory error has
occurred in the call history. To prevent this error from
interfering with the normal operation of the telephone,
all of the call history was removed. Your product should
now operate normally; no action is required.
62

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