Radio works

- Mar 29, 2017 -

Doors usually in blocked State, avoid the building personnel unauthorized access inside the building, the building's tenants can use keys to free access to the building. When guests visit, guests at the outside of the building to speak as they wish to visit households on the host keyboard room number, calls to households enumerated in the Talkback extension. Owner of the households interviewed via intercom device for two-way call or video call with visitors, sounds or images by visitors to confirm the identity of visitors. After confirming that you can allow visitors to enter, master of the household using the Unlock button on the intercom extension, control building electric lock on the entrance door opened, visitors can enter the building. Visitors enter the building, the doors automatically lock.

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