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Local telephone service --- Telecommunication policy --- Competition --- Rates
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Long distance telephone service --- Prices --- Econometric models.
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Long distance telephone service --- Telephone --- Corporate divestiture --- Competition
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Caller ID telephone service --- False personation --- Law and legislation --- Prevention.
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Telephone stations --- Long distance telephone service --- Government policy --- Access charges
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Long distance telephone service --- Telecommunication --- Competition --- Prices --- Rates --- United States.
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