AT&T E1112B User Manual page 55

Appendix
Troubleshooting
I hear other calls
when using the
telephone.
My caller ID
features are not
working properly.
• Disconnect the telephone base from the modular jack and
plug in a corded telephone. If calls are still not clear, the
problem is probably in the wiring or local service. Contact
your local service company (charges may apply).
• Other cordless telephones and 802.11 wireless routers that
are used for home computer networks both use internal
radios to communicate. The radios may interfere with one
another. You can improve the performance of your cordless
telephones and your router by:
a. Positioning your new telephone as far away from any
other already installed cordless telephone in your home
as possible. This will hinder the interference of the two
systems with one another.
b. Positioning your telephone base as far as possible from
your router, computer or any other computer devices.
c. Selecting channels 4 through 10 for your router (refer to
your router's user manual for more information).
• Do you have DSL service? If yes, you need to have a DSL
filter installed at every telephone jack that has a telephone
connected to it. Contact your DSL service provider for filter
information
• 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.
• Caller ID is a subscription service. You must subscribe to
this service from your local telephone company for this fea-
ture 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 DSL service, install a noise filter to
the telephone line between the telephone base and the
telephone line jack. Contact your DSL service provider
for filter information.
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