Description: ?-Meets Ada Requirements For Emergency Phones:- -Can Automatically Light The Call Connected Led For The Hearing Impaired- -Transmits A Unique Location I.D. 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)- Marine Grade 316 Stainless Steel Prevents Corrosion On Stainless Models- Dials Up To 5 Emergency Numbers- E-1600-20A And E-1600-52A Dial Up To 3 Non-Emergency ??Info?? Numbers- Cycles Through Backup Emergency And Non-Emergency Numbers On Busy Or No-Answer- Optional Enhanced Weather Protection (Ewp), Ewp Products Are Designed To Meet Ip66 Ingress Protection Rating, See Dod# 859- Hangs Up On Cpc, Silence, Busy Signal, Dial Tone, Time-Out Or Touch Tone Command- Programmable To Auto-Answer On Incoming Calls- Remotely Programmable- Extended Temperature Range (-15??F To 130??F)- 9 Different Chassis Or Board Only Available- Available In 42?? Tall Tower Phone Model E-1600A-Blt-Ewp (Dod# 217)- Central Station Monitoring Capability (Dials 2 Numbers)- Optional Pb-100 Polling System Available (Dod# 232)- Optional Blk-3-Ewp Strobe Light Kit Available (Dod# 653)