SOCIETY INTERCOM

      The unit consists of a loud speaking telephone fixed at the Main entrance of the society with bell push switches for Each flat. A telephone instrument is fixed in each flat. When a visitor presses the desired flat number button the Telephone bell in that flat rings. When the person lifts the Telephone corresponding led on the panel at main entrance Lights & the loud speaking telephone is connected to this Telephone & he can than talk to the visitor . When the Conversation is over & line is disconnected the loud speaking Phone is disconnected & led goes off.