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Voice Evacuation / Mass Notification System Test Report

This report documents testing of an in-building voice evacuation or mass notification system to NFPA 72 — message playback, zone and appliance operation, fire alarm interface priority, and the intelligibility assessment (quantitative STI/CIS or a documented listen test).

NFPA 72 (National Fire Alarm and Signaling Code, Chapter 24 Emergency Communications Systems)Valid: Annual (12 months)

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Sample Voice Evac / MNS Test certificate

Sample Voice Evacuation / Mass Notification System Test Report certificate created with CertBox, showing the professional PDF layout with system and control unit details, message playback and live paging, zone and appliance operation

Sample Voice Evac / MNS Test with fictional data. All personal details shown are fake.

What it covers

  • System and control unit details
  • Message playback and live paging
  • Zone and appliance operation
  • Fire alarm interface and priority
  • Intelligibility method and results (STI ≥ 0.45 / CIS ≥ 0.7 where measured)
  • Per-location measurements

Who needs a Voice Evac / MNS Test?

Fire alarm contractors
NICET-certified technicians
Campus and high-rise facility managers
Military and government facilities

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Frequently asked questions about Voice Evac / MNS Test

What intelligibility score is required?
Where intelligibility is measured quantitatively, NFPA 72 uses a Speech Transmission Index of at least 0.45 (equivalent to a Common Intelligibility Scale of 0.7). Quantitative measurement is not mandatory — a documented listen test in each acoustically distinguishable space is acceptable.
What is the difference between audibility and intelligibility?
Audibility is whether the signal can be heard above ambient noise; intelligibility is whether spoken messages can be understood. Voice and mass notification systems must achieve both, and this report records each.

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