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SMART TELEPHONE INTERFACE UNIT(MODEL PPTI) is an integrated system used for patching of PLANT EPABX SYSTEM to SMART PAGE/PRIVATE PHONE SYSTEM. Lift the telephone handset of any extension of PLANT EPABX, dial the extension number of the Telephone patch Unit and after the call matures automatically, make necessary announcement. The communication between the calling party and the called party is in private mode, when the called party presses the PAGE CANCEL BUTTON. SMART TELEPHONE INTERFACE UNIT disconnects automatically afetr the calling party disconnects the call. The announcement is made at ALL THE location over the plant.
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