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© 1992, AT&T
All Rights Reserved
Printed in U.S.A.
CIC# 999-500-315
0II722050-055
Issue 3, November 1992
NOTICE
Every effort was made to ensure that the information in this manual was complete and accurate at the
time of printing. However, information is subject to change.
COMPATIBILITY
The AT&T Door Phone Controller is recommended for use with any AT&T business telephone system.
It is also intended to be used with the AT&T Door Phone Speaker.
WARRANTY INFORMATION
AT&T provides a limited warranty to this product. Refer to “Warranty Information” in Appendix F.
Partner, Spirit, Merlin, System, Dimension, Horizon, Touch-Tone and Comkey are registered trademarks
of AT&T.
VG
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