Panasonic VA-12020 Operating Instructions Manual page 36

You can control the door opener terminal (if connected) from your telephone.
Up to two devices can be attached. The control numbers are 78 for opener 1 and 79 for
opener 2. This operation is possible even when you are talking with a door box.
To release door lock
The alarm of a fire sensor, gas leak sensor,
telephone at times of emergency.
You can silence the alarm either on the sensor or on the telephone and you can select
either by system programming. If two or more telephones are sounding an alarm and one -
of them is silenced, the alarm stops sounding for all the telephones.
To silence an alarm on telephone
To silence an alarm on sensor
1. Lift handset or press ON/OFF
2. Press opener control number 78 or 79 to release the lock
Alternatively, if you are talking with a door box, you can dial
77 to release the door opener for the door box you are
talking with
Simply lift handset
Refer to the owner's manual for the sensor
35
key
etc. (if connected) will sound from your