DoorKing Doorking 1812

Customer reviews Doorking Residential Telephone Entry System Surface Mount with Stainless Face Plate Dk1812-081. When a guest places a call by pressing the "Call" button DoorKing Doorking 1812 on the 1812, the telephone in the house will ring with a distinctive "double ring" to differentiate the call from a normal incoming phone call Full duplex communication assures clear two way voice communication This software package allows you to program all functions of the 1812 with a PC Tenants can give access to guests via their existing telephone Residential Telephone Intercom System PC Programmable ... Learn more »

DoorKing Doorking 1812 Review: Doorking Residential Telephone Entry System Surface Mount with Stainless Face Plate Dk1812-081. Read more »

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