In the ever changing world of communications, the DKS 1830 Series of Telephone Entry Systems has adapted to allow both voice and data to be sent via simple copper lines or through the air to cell towers. Form and Function that evolves with today’s technology.
DoorKing – Delivering the future – Since 1948.
For more information see us at Doorking.com, or call 800-673-3299.
Video about Voice service with no audio? Second no audio video in a row.