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What are “central locking” and “voice identification”?

April 26, 2017voice identification

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What are “central locking” and “voice identification”?

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Voice identification is a system using an intercom at the front door. Arriving guests call from the front door to the resident they wish to visit. The resident then answers his or her intercom, talks to the guest, and can choose to unlock the front door from inside the apartment.