User's Manual

Congratulations
on your purchase of this AT&T product. Before using this AT&T product,
please read the Important safety information section on pages 142-143
of this manual. Please thoroughly read this user’s manual for all the
feature operations and troubleshooting information necessary to install
and operate your new AT&T product. You can also visit our website at
www.telephones.att.com or call 1 [phone]. In Canada,
dial 1 [phone].
This telephone meets the California Energy Commission regulations for
energy consumption. Your telephone is set up to comply with the energy-
conserving standards right out of the box. No further action is necessary.
This telephone system is compatible with certain AT&T DECT 6.0 cordless
headsets and speakerphones. Visit
www.telephones.att.com/accessories for a list of compatible
cordless headsets and speakerphones.
Model number: CL84107 (one handset)
CL84207/CL84257 (two handsets)
CL84307/CL84357 (three handsets)
Type: DECT 6.0 corded/cordless telephone/answering system with
caller ID/call waiting
Serial number: ________________________________________________________
Purchase date: _______________________________________________________
Place of purchase: ____________________________________________________________
Both the model and serial numbers of your AT&T product can be found on the
bottom of the telephone base.
Save your sales receipt and original packaging in case it is necessary to return
your telephone for warranty service.
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when used with most T-coil equipped hearing aids and cochlear implants. The
TIA-1083 Compliant Logo is a trademark of the Telecommunications Industry
Association. Used under license.
© 2017 Advanced American Telephones. All Rights Reserved. AT&T and
the AT&T logo are trademarks of AT&T Intellectual Property licensed to
Advanced American Telephones, San Antonio, TX 78219. Printed in China.
The ENERGY STAR® program (www.energystar.gov) recognizes and encourages
the use of products that save energy and help protect our environment. We are
proud to mark this product with the ENERGY STAR® label indicating it meets the
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