| 摘要 |
An interactive building entry control system serves as an “electronic doorman.” The system includes an interactive intercom system that acts as an intermediary between visitors to a building and residents of the building. The system allows a resident to identify a visitor without directly talking to the visitor. The system records a message from the visitor and relays the message to a communication device of the selected resident of the building. The resident can then make a decision to grant or deny entry without talking directly to the visitor. When the resident grants entry, the system signals an entry door to the building to unlock. When the resident denies entry, the entry door remains locked, and the system informs the visitor that entry has been denied, without informing the visitor of the cause of the denial.
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