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Adding and registering handsets
Before using a new TL86009 handset, you must register it with
the AT&T TL86109 telephone system (purchased separately).
The AT&T TL86109 telephone system can accommodate up to
12 handsets.
The handset provided with the TL86109 comes registered as
HANDSET. You can register up to 11 additional handsets to the
telephone base, and they will be assigned numbers in the
order
they are registered (HANDSET 2, HANDSET 3, HANDSET
4 and
so on). Your first handset is then renamed as
HANDSET 1.
Adding handset to your telephone base