The “Multi-Party Talk” Paging system PA3 is designed for communication in industrial environments. A: It is suitable for high noise, corrosive atmospheres, hazardous areas and extremes of temperature, dust and humidity create hostile environments. B: The “Multi-Party Talk” system have two operations: the first one is group calling through pick-up handset and pressing one button to auto-dial; The other one is two-way private intercom in one line or more two-way groups calling and can be allowed up to 99 persons communication at most. C: The system also can be connected to external network, and the extension can call other phones outside of the network.
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