Adding and registering handsets/headsets
Your telephone can support up to 12 DECT 6.0 cordless handsets (AT&T
model CL80143/CL80173/CL80183/CL80193, sold separately) or up to ten
cordless handsets and two cordless headsets (sold separately). Visit www.
telephones.att.com/headsets for a list of compatible DECT 6.0 cordless
headsets. Each new handset or headset must be registered to the telephone
base before use. You must register each handset or headset separately.
To register a cordless headset to this telephone system, please refer to the
user’s manual of the cordless headset for more 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. B
efore 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. Both the handset and the telephone base show
Registering... Please wait and the IN USE light on the
telephone base turns on. HANDSET X Registered appears
on both the handset and the telephone base screens
(HANDSET represents the handset name, X represents the
handset number). Both the handset and the telephone base
beep and the IN USE light turns off. The handset is now
registered with the telephone base.
Appendix
97
Registering...
Please wait
HANDSET X
Registered
To register HS,
see manual.
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