Viking also manufactures a complete line of ADA compliant elevator, emergency, area of refuge and campus phones. The 1600A series emergency phones are designed to provide quick and reliable handsfree communication over the public switched telephone network. The 1600A series meets ADA* requirements for elevator telephones, and can be programmed from any Touch Tone phone. The 1600A series phones can automatically send the digital announcement to identify the locations of the emergency call, then automatically light the call connected LED.