The Viking E-1600-03B ADA Compliant Emergency Phones is designed to provide quick and reliable handsfree communication over the public switched telephone network. The E-1600-03B phone meet ADA requirements for elevator/emergency telephones and can be programmed from any Touch Tone phone. The phones can dial up to 5 programmable emergency numbers, as well as 2 central station numbers.The E-1600-03B phone can be programmed to automatically deliver a digital announcement to identify the location of the emergency call and then initiate the call connected LED light. Alternatively, a DTMF Touch Tone code may also be delivered. All programming parameters, including phone numbers and location numbers, are stored in non-volatile E2 memory. All units are phone line powered, requiring no batteries or external power and are compatible with common Central Station Monitoring equipment.For outdoor or harsh environments, E-1600-03B phone is available with Enhanced Weather Protection (EWP). EWP products features rubber gaskets and boots, hand soldered silicon sealed connections, gel filled tip and ring connectors, as well as urethane potted circuit boards with weather sealed, field-adjustable trim pots and DIP switches for easy on-site programming. The E-1600-03B can also be used with Central Station Monitoring equipment. All parameters, phone numbers and location numbers are stored in non-volatile E2 memory. All unit is phone line powered, requiring no batteries or external power sources.