Эпизоды
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How AT and T handled the unprecedented rise in phone calls.
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Transcript -- How AT and T handled the unprecedented rise in phone calls.
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Пропущенные эпизоды?
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A way in the network distributed calls to avoid an overload.
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Transcript -- A way in the network distributed calls to avoid an overload.
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AT and T completed a record 430 million call completions on 9/11.
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Transcript -- AT and T completed a record 430 million call completions on 9/11.
