Two of the three telecom giants created by recent mergers trace their lineage to Ma Bell, the third to some of her early long-distance and wireless challengers. But even as the phone companies consolidate,
they face new competitive threats from Voice-over-IP upstarts like Vonage and Skype, technology players such as IBM and Microsoft, and cable companies like Comcast and Time-Warner.
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Lead Story: Telecom Merged and Converged: The victory of the supercarriers and the transformation of American networking
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