FMI: Video Intercom Devices Market Revenue, Opportunity, Forecast and Value Chain 2015-2025
Intercom (intercommunication devices) is a standalone voice communication system installed at the entrance or exit of building, society or office, working independently of public service telecommunication system. It has connection with different walkie-talkie, telephones, loudspeakers & other intercom devices to get the information from the outside panel. Video Intercom device is the advanced form of simple voice intercom, in video intercom system there is audio visual communication feature by which the person sitting inside the building be able to recognize the visitor or communicate with him & accordingly take the decision whether to permit or not for entrance.
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