| Automatic
  Noise Canceling (ANC) feature for clear audio in noisy environments | 
 
  | Meets the latest ASME A17.1
  code when used with a Viking LV-1K Line Verification Panel, see DOD 246 | 
 
  | Meets ADA requirements for
  Emergency Phones: | 
 
  | Automatically lights the “Call
  Connected” LED | 
 
  | Transmits a unique location ID
  code or voice announcement | 
 
  | Grade 2 Braille label for the
  visually impaired | 
 
  | Non-volatile digital voice
  announcer with 16 seconds of voice memory | 
 
  | Advanced call progress
  detection | 
 
  | Handsfree operation | 
 
  | Phone line powered | 
 
  | Non-volatile memory (no
  batteries required) | 
 
  | Dials up to 5 emergency
  numbers | 
 
  | Cycles through backup phone
  numbers on busy or ring-no-answer | 
 
  | Hangs up on CPC, silence, busy
  signal, dial tone, time-out or touch tone command | 
 
  | Programmable to auto-answer on
  incoming calls | 
 
  | Remotely programmable | 
 
  | Central Station Monitoring
  capability (dials 2 numbers) | 
 
  | Extended temperature range:
  -15°F to 130°F (-26°C to 54°C) | 
 
  | Enhanced Weather Protection
  (EWP), EWP products are designed to meet IP66 Ingress Protection Rating, see
  DOD 859 |