Smart Pilfer Proof Pa Telephone Systems

These Smart Pilfer Proof PA Telephone Systems offer highly useful hands-free version (Vandal Resistant Type) of Smart PA Telephone system, which is a multi location-operating unit by construction with built in Public Address system. The built in amplifier of the unit is connected to external loudspeaker horn and internal speaker which can work on 220 V AC or 110 V AC. The Smart Pilfer Proof PA Telephone Systems activates automatically by dialing the EXTN number of PA telephone for making the announcement. The Smart Pilfer Proof PA Telephone Systems disconnects automatically when the calling party disconnects the call. The communication is established when the called party acknowledges and accepts the call by pressing the connect button and speaks by pressing the PTT button. The incoming call from the Smart Pilfer Proof PA Telephone Systems can be used as normal telephone call by the connect button and dialing the required extension number and talk by pressing the PTT switch.