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17
Adding and registering handsets
Your telephone system can support up to five handsets. The handsets provided within
your product package are already registered as HANDSET 1, and so forth. You can
purchase additional handset AT&T EL50003 to expand your telephone system. EL50003
is for use with EL51103/EL51203/EL51253/EL51303/EL51353/EL51403/EL51453/
EL51503. Additional handsets are assigned numbers in the sequential order they are
registered (up to HANDSET 5). Each handset must be registered to the telephone base
before use.
Register a handset to the telephone base:
Before you begin registration, make sure
the handset is out of the telephone base
or charger and shows To register HS... and
...see manual, alternately.
Put the handset you wish to register on the
telephone base cradle.
The IN USE light on the telephone
base turns on. After about 10 seconds,
the handset shows Registering.... The
handset shows Registered and you hear
a confirmation tone if the registration was
successful. The IN USE light turns off. The
handset is now registered with the telephone base.
If the registration fails, the handset displays Failed and then To register HS... and
...see manual, alternately. Try the registration again by removing the handset from the
telephone base and then placing it back in.
notes:
You cannot register a handset if any other system handset is in use.
You can only register one handset to the telephone base at a time.
1.
2.
3.
•
•
For registration, put the handset on the
telephone base, not the handset charger.
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