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Add and register a doorbell
You can add another new doorbell (purchased separately)
to your IS7121 telephone system. This telephone system
accommodates up to two doorbells.
Each new doorbell must be paired to the
telephone base before use.
Press and hold /FIND HANDSET
on the telephone base for about four
seconds until the IN USE light turns on.
Press and hold /DOORBELL for
about 10 seconds until the doorbell
light ashes slowly. The doorbell light turns
on and you hear a conrmation tone from
the doorbell when registration completes.
It takes about 60 seconds to complete the
registration process.
If you want to replace a doorbell, or reassign the
designated doorbell number of a registered doorbell, you
must deregister all system devices and then register each
handset/doorbell individually.
Make sure you plug in AC power for the doorbells
before deregistration.
To deregister all handsets and doorbells:
Press and hold /FIND HANDSET on the telephone base for
about 10 seconds until the IN USE light ashes.
Immediately press /FIND HANDSET again. You must press
/FIND HANDSET while the IN USE light is still ashing. The
IN USE light ashes for about ve seconds.
All handsets show Put handset on BASE to register and all
doorbell lights ash quickly. The deregistration process takes
about 10 seconds to complete.
To register the handset(s) and/or doorbell(s) to the telephone
base again, follow the registration instructions above.
1.
2.
1.
2.
3.
Make sure you plug in AC power before pairing it to
the telephone base.
Plug the adapter into the domestic power supply.2.
Plug!