Section 700 - Operation
The door box (also called door phone) allows visitors to announce their presence from the office door,
etc. When the button on the door box is pressed, one or more phones ring in the System. When
answered, a two way conversation is made between the door box and the answering phone.
The answering party can operate a connected door opener (if equipped).
To answer a door box:
1. Answer the door box. (Door box calls ring in on a dedicated
2. Enter 3 while connected to the door box extension.
The door box requires a Door Box Adaptor (VB-43701), Door Box (VA-43705), and Door
Opener. Door openers are not sold by Panasonic; however, they can be purchased from an
Up to 2 Door Boxes can be connected to a Door Box Adaptor and utilize the same trunk.
The Door Opener can be set to open for 15 seconds, 30 seconds, or one minute.
While the Door Opener is functioning, a call from another Door Box on the same Door Box
adaptor cannot be answered.
The trunk connected to the Door Box Adaptor must be set to dial pulse (DP).
Door Box Sensor
The sensor is a device that detects when a circuit is opened or closed. Sensors can be used to detect
events such as the opening of windows or doors. When the sensor is tripped, a tone sounds at a
designated extension. Sensors are not sold by Panasonic; however, they can be purchased separately
from an electronics dealer.
The sensor is attached to the Door Box Adaptor (VB-43701).
DBS 576 (USA), issued January 1999
Chapter 3. System Features
Two way conversation possible