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The optional Door Opening Controller enables any Norstar phone to control a latch on a door or a gate. Allows two-way conversation between Norstar phone and Doorphone |
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Features |
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| - The Norstar Doorphone enables office personnel to talk directly with visitors prior to their entering a business. When a visitor presses the Call Button, the Norstar system rings the designated phone(s) in an office and allows two-way conversation.
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