Video door-phone (also known as video door entry or video 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. The main feature of video door entry is that it enables the person indoors to identify the visitor and, if (and only if) they wish, engage in conversation and/or open the door to allow access to the person calling.
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Classification of video door phone (VDP)
Video door phone can be classified two possible classification:
Security layers:
- Level 1 security – This is security layer added by VDP system at the community entrance. This layer is given to the guard who will directly verify the entry of a visitor to the community. Such systems are only at a community level.
- Level 2 Security : This is also known as the lobby security – This is to get access to your lobby of the apartment in such a case the visitor will have to dial the number of the flat and then the flat owner allows the access to a visitor from the lobby entrance itself.
- Level 3 security : In this case the visitor communicates with the outdoor camera in front of house door or villa gate.
Technologies & classification:
Standalone – A standalone VDP is a device used in villas or by individual home owners.
Types of technology of standalone VDP –
- Analog VDP – It is an analog display and camera.
- 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.
- 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.
Multi-apartment- This is a solution where there is an mass housing scenario.
- Analog Multi-apartment systems – This is an Analog VDP providing 3 tier security.
- 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.
Advantages of Video Door Phone
Video Door Phones are intercom systems that are used to make calls from the entrance of a door so as to communicate with visitors without any physical interaction and engage with them, Video Door Phones increase home security.
- Communicate with your visitor:- helps you to communicate with your visitor without you having to open the door. The inbuilt speaker of the invention helps to pass the voice clear; it ensures proper two-way communication for selective access to the house.
- Enhanced Security:- It gives you complete access to home security through its tool for the senior citizen, women, and children. The homeowners can now say no to the salesmen without even opening the door.
- All-around protection:- It gives a clear picture of the person outside even at dim lights. This technology is capable of working in almost all weather conditions which means it works in rain, fog or even storm.
- Easy Installation:- This system is designed elegantly to enhance the modern looks of the house. Records even when you are not at home. This security device starts the moment someone rings the doorbell, and it takes the image of the visitor and records it in its system. The recorded image of the culprit helps us to recognize the person in real time.
The door phones are no more a luxury, it works as a great device to maintain security in the societies as well as in the colonies.