Handsfree Elevator Phone . The K-1500-E and K-1500-EHF Emergency Telephones provide reliable emergency communication without complicated dialing procedures. The K-1500-E and K-1500-EHF can be connected directly to a C.O. line or analog PABX/KSU station when used in conjunction with a Hot-Line Dialer or programmed ring down circuit. The phones can also be used with Viking s DLE-200B ring down circuit. The K-1500-E and K-1500-EHF components conform to industry-set standards, and are mounted on a formed metal panel and finished in red powder paint. *For ADA compliant phones, use the 1600A Series! Applications Door or gate communication Commercial, industrial and residential door security Truck stop/gas station fuel island communication Business delivery entrances Use in conjunction with a Viking Hot-Line Dialer on C.O. lines or analog PABX/KSU stations Use on any programmed ringdown circuit of an analog PABX/KSU station One year warranty Made in the USA Features Handsfree or handset available Phone line powered No dial pads Designed to mount in a standard emergency phone enclosure Built for easy installation and simple operation K-1500-E Features: Hearing aid compatible handset K-1500-EHF Features: Auto answer feature allows remote monitoring (can be disabled) Adjustable time out to limit prank calls and false alarms (approximately 30 seconds - 7 minutes) Auto-answer feature allows remote monitoring (can be disabled).