The 4100-1272 SIMPLEX Expansion Phone Controller is an essential addition to any phone system. With its easy-to-use interface and advanced phone control capabilities, users can efficiently manage incoming and outgoing calls. Increase productivity and streamline communication with this reliable and high-performing expansion controller.

4100ES Audio Systems provide voice communication, alarm tones, and/or digitally prerecorded voice messages to alert occupants of fire or other emergency situations. Evacuation signaling may be automatically generated via alarm initiated event programs or by firefighting personnel using the operator controls. This ensures timely and effective notification, enabling swift response and minimizing risk to people and property.

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