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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 10 cordless
handsets and 2 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 your 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. The screen shows
Registering... Please wait and the
IN USE light turns on. It takes up to 90 seconds to
complete registration. HANDSET X Registered appears on
the screen, with HANDSET X being the handset number
(1-12). The handset beeps and the IN USE light turns off.
The handset is now registered with the telephone base.
Registering...
Please wait
HANDSET X
Registered
To register HS,
see manual.
For registration, put the handset
on the telephone base, not the
handset charger.
Appendix