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Adding handset to your telephone base
Adding and registering handsets
Before using a new TL90070 handset, you must register it
with the AT&T TL91270/TL91370/TL92220/TL92270/TL92320/
TL92370/TL92420/TL92470 telephone system (purchased
separately). The AT&T TL91270/TL91370/TL92220/TL92270/
TL92320/TL92370/TL92420/TL92470 telephone system can
accommodate up to 12 handsets.
The handsets provided with the TL91270/TL92220/TL92270
come pre-registered as HANDSET 1 and HANDSET 2. You
can register up to 10 additional handsets to the telephone
base, and they will be assigned numbers in the order they are
registered (HANDSET 3, HANDSET 4, HANDSET 5 and so on).
The handsets provided with the TL91370/TL92320/TL92370
come pre-registered as HANDSET 1, HANDSET 2 and
HANDSET 3. You can register up to nine additional handsets to
the telephone base, and they will be assigned numbers in the
order they are registered (HANDSET 4, HANDSET 5, HANDSET 6
and so on).
The handsets provided with the TL92420/TL92470 come
pre-registered as HANDSET 1, HANDSET 2, HANDSET 3 and
HANDSET 4 You can register up to eight additional handsets to
the telephone base, and they will be assigned numbers in the
order they are registered (HANDSET 5, HANDSET 6, HANDSET 7
and so on).
Adding handset to your telephone base