| 11. | In addition, each dorm room had an intercom and loudspeaker.
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| 12. | There are simple house intercoms and intercoms developed for collective apartments.
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| 13. | There are simple house intercoms and intercoms developed for collective apartments.
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| 14. | There are many types of wireless intercom systems on the market.
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| 15. | Some wireless intercom systems communicate using the 802.11 standard.
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| 16. | PDQ restaurants with drive-through windows do not have intercoms.
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| 17. | Mrs . Grossman's controller quit over the intercom.
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| 18. | They rang the intercom buzzer, but got no answer.
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| 19. | You have to be announced, via intercom, by the gatekeeper.
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| 20. | "I'll talk you through it on the intercom.
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