Area of Refuge two way communications AOR Areas of Refuge or areas of rescue assistance or stairwell communication systems Read More Commercial, Contractors, EngineersLarry LoveJuly 8, 2019Johnson Controlsarea of refuge, aor, fire sprinkler, peak alarm, Larry Love, Fire Phones, Area of rescue assistance, Utah, Salt Lake City, Provo, Park City, voice evaction, fire alarm, fire control center, 24 hour, constantly attended, UL listed monitoring, UL listed Central, Peak Alarm Company, RATH, Mircom, Cornell, stairway, Stairway communication system, IBC, IFC, NFPA, NFPA 72, IBC 1007, IBC 1009, NFPA 72 chapter 24, IBC section 907, JCI, Johnson Controls, Johnson Controls Fire Protection LPComment