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An intercom (intercommunication device), talkback or doorphone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network (Azori 2016). Intercoms are generally mounted permanently in buildings and vehicles. Intercoms can incorporate connections to public address loudspeaker systems, wal -
Table Of Content
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Table of Content
1 Industry Overview
1.1 Video Intercom Devices Industry
1.1.1 Overview
1.1.2 Development of Video Intercom Devices
1.2 Market Segment
1.2.1 Upstream
1.2.2 Downstream
1.3 Cost Analysis
2 Industry Environment
2.1 Policy
2.2 Economics
2.3 Sociology
2.4 Technology
3 Video Intercom Devices Market by Type
3.1 Segment Overvi -
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