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Adding and registering handsets
Before using a new TL90071 handset, you must register it with
an AT&T TL92271/TL92371/TL92471/TL96271/TL96371/TL96471
telephone system (purchased separately). These telephone
systems can support up to 12 handsets.
The handsets provided with your telephone system are already
registered as HANDSET 1 and so forth. Additional handsets
registered to the telephone system are assigned in the
sequential order they are registered (up to HANDSET 12).
You must register each handset separately. When first purchased,
all expansion handsets show Put handset on BASE to register.
Register a handset to your telephone base
(for AT&T models TL92271/TL92371/TL92471)
1. Make sure the handset is out of the telephone
base or charger and shows Put handset on BASE
to register before you begin registration.
2. Put the handset you wish to register on the
telephone base cradle, not the charger.
3. The handset displays Registering handset...
on the handset and the red IN USE light on
the telephone base turns on. It takes about 90
seconds to complete the registration process.
The handset displays HANDSET X Registered
(X represents the registered handset number).
The IN USE light turns off and the handset
beeps when registration completes.
If registration fails, the system will automatically try to register again.
If it fails after the third try, the handset shows Registration failed,
then Put handset on BASE to register. This may take up to five
minutes to occur. When the handset displays Put handset on BASE
to register, please start again from Step 1 above.
NOTE: You cannot register a handset if any other system handset is in use.
Registration and deregistration