DoorKing’s model 2112evolve video telephone entry system is a cloud-based system that can store virtually an unlimited number of phone numbers and entry codes. The system is an advanced cloud-based system that operates on the cellular network or an Internet connection. The companion DoorKing apps are available free of charge for both Android and OiS cellular phones and provide video calling and relay control, programming, event logging and more for system administrators. The 2112evolve also features broadcast calling, which allows up to four phones to ring simultaneously.
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