Video door–phone (also known as video door entry orvideo intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside.
Video door entry consists of both outside and indoor elements: an outdoor panel on the outside, an electronic lock release and an indoor monitor.
Types of technology of standalone VDP –
i. Analog VDP – It is analog display and camera.
ii.Connected digital VDP – This is a digital LCD display with Digital camera usually with image capture and video capturing ability when the bell is pressed. In this case normally some additional camera integration is also allowed.
iii. Wireless video door bell(VDB) : A camera units which gets connected to interned or router and allows communication with ones mobile or tablet top communicate with the visitor.
b. Multi-apartment- This is a solution where there is an mass housing scenario.
i. Analog Multi-apartment systems – This is a Analog VDP providing 3 tier security.
ii. IP VDP Multi-apartment system – This is IP VDP which is 3 tier security and integration with BMS (Building management system ), Security systems like intrusion , CCTV building security and in most cases even Home Automation.
