AT&T TL90078 ユーザーズマニュアル
Appendix B
Troubleshooting
• Caller ID is a subscription service. You must
subscribe to this service from your local
telephone company for this feature to work
on your phone.
telephone company for this feature to work
on your phone.
• Your caller must be calling from an area
that supports caller ID.
• Both you and your caller’s telephone
companies must use caller ID compatible
equipment.
equipment.
• If you subscribe to high-speed Internet
service (digital subscriber line - DSL)
through your telephone line, you must
install 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.
through your telephone line, you must
install 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.
My caller ID
isn’t working.
isn’t working.
• Make sure the power and line cords are
plugged in correctly and securely.
• Unplug the unit’s electrical power. Wait for
15 seconds, then plug it back in. Allow up
to one minute for the cordless handset and
telephone base to reset.
to one minute for the cordless handset and
telephone base to reset.
• Clean the cordless handset and telephone
base charging contacts each month using a
pencil eraser or cloth.
pencil eraser or cloth.
21
The charge
light is off.
light is off.
• If the other phones in your home are having
the same problem, the problem is in your
wiring or local service. Contact your local
telephone company (charges may apply).
wiring or local service. Contact your local
telephone company (charges may apply).