EWP products feature foam rubber gaskets and boots, sealed connections, gel-filled butt connectors, as well as urethane or thermal plastic potted circuit boards Self diagnostic reports via email (testing com, mic, speaker & switch) Automatic polling and programming software included 2 Amp relay contacts for door/gate or SL-2 strobe light control SIP compatible (see pg 2 for list of compatible IP-PBX phone systems) PoE powered (class 1, <4 watts) Automatic Noise Canceling (ANC) feature for proper operation in noisy environments Network downloadable firmware Meets ADA requirements for Emergency Phones: Automatically lights the Call Connected" LED Transmits a unique location I.D. code or voice announcement Grade 2 Braille label for the visually impaired Non-volatile digital voice announcer with 28 seconds of voice memory Handsfree operation Marine grade 316 stainless steel prevents corrosion on the stainless steel models Dials up to 5 emergency numbers E-1600-20-IP and E-1600-52-IP dial up to 5 non-emergency INFO numbers Cycles through backup phone numbers on busy or no-answer Optional Enhanced Weather Protection (EWP), EWP products are designed to meet IP66 Ingress Protection Rating Hangs up on busy signal, time-out or touch tone command Remotely programmable Extended temperature range (-15 F to 130 F) 11 different chassis or board only available