- ADA-compliant "EMERGENCY" signage (raised letter and braille)
- [NEW] "EMERGENCY" button can auto-dial up to five (5) phone numbers. If the first number does not answer or is busy, unit dials the second number. If the second number does not answer or is busy, unit dials the third number—and so on.
- Powered by and operates on a standard analog phone line or extension (no power supply required)
- Two (2) LED indicators for hearing impaired (labeled "CALLING" and "ANSWERED")
- Ability to identify the physical location of the call station through a pre-recorded voice message that plays at the beginning of a call
- [NEW] Line level output (600 Ohm) connects to an audio amplifier or paging system—providing the capability of receiving an audio page (mass notification) through a standard telephone call
- [NEW] Compatible with active induction hearing loop panel (Model AHLP-1)—external power supply required
ETP-520 Series outdoor-rated, ADA-compliant hands-free analog call stations go beyond emergency communications with a clean and simple interface, 316 marine grade stainless steel, and are IP66 water rated for harsh environments.