User Manual telephone 1080

105
Appendix J
In case of difficulty
COVM line indicator re-
mains on.
• Make sure you have reviewed all messages on
that line.
• You may have received a false signal from the
central office. To clear, see COVM RESET on page
58.
I hear other calls when
using the telephone.
• Disconnect the telephone base from the telephone
jack. Plug in a different telephone. If you still hear
other calls, the problem is probably in the wiring
or local service. Call your local telephone company.
• Make sure you are using the round black cords
that came with the phone. These cords help
prevent crosstalk (hearing other calls).
• Caller ID is a subscription service. You must
subscribe to this service from your local telephone
company 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.
• Make sure the area codes are set correctly on
the telephone (page 42 of the installation guide).
• Reset the phone. See Common cure for electronic
equipment on this page.
My caller ID features are
not working properly.
The sound quality of the
headset is poor
• Unplug it and and firmly plug it in again.
• If you have Digital Subscriber Line, (DSL,) service,
and you have more than three telephone sets,
and you have installed microfilters, you may need
to have a DSL filter installed by your DSL service
provider.