Viking Stainless Steel Emergency Phone ADA Compliant Grade 2 Braille Lable for visually impaired Flush Mount Handsfree Dialer Announcer Non volatile digital voice announcer with 16 seconds of voice memory Advanced call progress detection Phone line powered Non volatile E2 memory no batteries required Touch Tone or pulse dialing Dials up to 5 emergency numbers Cycles through backup emergency and non emergency numbers on busy or 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 Extended temperature range 15 F to 130 F Central Station Monitoring capability dials 2 numbers Separate central station voice speed dial number Optional PB 100 Polling System available