1 Door Answering Device

The V-2900 Door Answering Unit provides voice contact from a designated telephone station to a door. When used in conjunction with a door plate speaker, pressing the pushbutton on the door plate speaker will cause the phone to ring (1 second on, 4 seconds off). By answering the call, the system user can converse with the person at the door.”,”highlights”:[“Offers voice contact from designated telephone station to door”,”Provides an impedance of up to 600 Ohms”,”Features a built-in 30 Hz ring generator for convenience”