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Appendix D—Using the Door Phone Controller With
An Answering Machine
Installation Information
This Appendix provides two methods for configuring an
answering machine to the AT&T Door Phone Controller. The
first method diagrams how to connect the AT&T Door Phone
Controller with an answering machine so that only regular
telephone calls are answered by the answering machine (see
Figure A-1). The second method diagramed will allow the
answering machine to answer both regular telephone calls and
calls from the Door Speaker (see Figure A-2).
When configuring the AT&T
Door Phone Controller to
CAUTION: When using your answering machine to
answer both the door and
answer both door and telephone calls, make sure to set
telephone calls, be sure to
your answering machine to allow for a limited length in-
change your outgoing message
coming message. Do not use an answering machine that
accordingly.
cannot limit the incoming message length.
Using With an Answering Machine D-1