User Manual

Adding and registering handsets/headsets/
speakerphones
Your telephone can support up to 12 DECT 6.0 cordless handsets,
headsets or speakerphones. You can purchase additional handsets
(AT&T model CL80107 or CL80117, sold separately) or up to ten
cordless handsets and two cordless headsets or speakerphones
(sold separately). CL80107 (black) is for use with CL82107/CL82207/
CL82307/CL82407/CL82507. CL80117 (white) is for use with CL82257/
CL82357/CL82547/CL82557.
Visit www.telephones.att.com/accessories for a list of
compatible DECT 6.0 cordless headsets or speakerphones. Each
new handset, headset or speakerphone must be registered to the
telephone base before use. You must register each handset, headset
or speakerphone separately.
To register a cordless headset or speakerphone to this telephone
system, please refer to the corresponding user’s manual for details.
To register a cordless handset, see below.
The handsets provided within your product box are already
registered as HANDSET 1, and so forth. Additional handsets are
assigned numbers in the sequential order they are registered (up to
HANDSET 12).
Register a handset to the telephone base
1. Before you begin registration, make sure the
handset is out of the telephone base or charger
and shows To register HS, see manual.
2. Put the handset you wish to register on the
telephone base cradle.
3. The handset shows Registering.... Please wait
and the IN USE light on the telephone base
turns on. HANDSET X Registered appears
on the handset screen (HANDSET represents
the handset name, X represents the handset
number). The handset beeps and the IN USE

with the telephone base.
Appendix

To register HS,
see manual.

Registering...
Please wait

HANDSET X
Registered
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