User`s manual

105
Appendix J
Troubleshooting
COVM line indicator
remains on.
• Make sure you have reviewed all messages on
that line.
• You might have received a false signal from
the central office. To clear the signal, 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 might not be calling from an area
that supports caller ID.
• Both you and the caller’s telephone companies
must use equipment that 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 the next page.
My caller ID features are
not working properly.
The sound quality of the
headset is poor.
• Unplug it and firmly plug it in again.
• If you have DSL (digital subscriber line) service,
and you have more than three telephone sets, and
you have installed microfilters, you might need
to have a DSL filter installed by your DSL service
provider.
The system does not
receive caller ID or the
system does not display
caller ID during call
waiting.
• Make sure you subscribe to caller ID with call
waiting features services provided by the local
telephone company.