| 41. | The busy signals at America Online just won't go away.
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| 42. | Busy signals declined by 10.1 percent from a year ago.
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| 43. | He gets busy signals phoning because Sally's hogging it again.
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| 44. | We are working hard to decrease our busy signal rate.
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| 45. | Callers to the Seville consulate received only a busy signal.
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| 46. | I hit a busy signal each time I tried.
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| 47. | John would call home and get a busy signal.
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| 48. | To the contrary, breakdowns and busy signals are rare.
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| 49. | A busy signal was taken as a bad sign.
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| 50. | Customers began getting busy signals when they made calls.
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