AT&T 993 2-Line - Manual (Page 64)

6
Appendix
Troubleshooting
The system
does not receive
caller ID or the
system does not
display caller
ID during call
waiting.
Difficulty storing
numbers in
memory.
Problems with
LINE lights.
A NEW CALL
light flashes.
My caller ID
features are not
working properly. Caller ID is a subscription service. You must subscribe
to this service from your telephone service provider for
this feature to work on your telephone.
The caller may not be calling from an area which
supports caller ID.
Both you and the caller’s telephone companies must
use equipment which are compatible with caller ID
service.
If you subscribe to Digital Subscriber Line (DSL) high-
speed Internet service through your telephone line, you
must have a DSL filter between the telephone base and
the telephone wall jack. The filter prevents noise and
caller ID problems caused by DSL interference. Please
contact your DSL service provider for more information
about DSL filters. •
•
•
•
Make sure you subscribe to caller ID service with call
waiting provided by the telephone service provider.
The caller may not be calling from an area which supports
caller ID.
Both you and the caller's telephone companies must use
equipment which are compatible with caller ID service.
If you subscribe to Digital Subscriber Line (DSL) high-
speed Internet service through your telephone line, you
must have a DSL filter between the telephone base and
the telephone wall jack. The filter prevents noise and
caller ID problems caused by DSL interference. Please
contact your DSL service provider for more information
about DSL filters. •
•
•
•
Make sure you are pressing the correct sequence of
buttons for storing numbers in one-touch locations. See
One-touch operation beginning on page 38
•
Make sure all plugs are connected properly. Inspect
the line cord connections at the modular jack(s) and
at the telephone.
•
Make sure you have reviewed all of the voicemail
message(s). If you have reviewed all of the voicemail
message(s) and a NEW CALL light remains flashing,
your phone may have received a false signal from
your voicemail service provider. If you have no new
voicemail messages, follow the directions in Turn NEW
CALL light off on page 25.
•