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Quamtel's Subsidiary, DataJack, Expands MVNO Services With Sprint
10. April 2012 08:00 ET | Quamtel, Inc.
Dallas, April 10, 2012 (GLOBE NEWSWIRE) -- Quamtel (OTCBB:QUMI.OB) subsidiary, DataJack, Inc., announced today that it has completed yet another phase of integration with Sprint [NYSE: S] Wholesale &...