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Soho VOIP Phones is a Milpitas, CA-based company in the Telecommunications sector.
Sierra Tel Internet is a Oakhurst, CA-based company in the Telecommunications sector.
Mobi Antenna Technologies is a Rancho Cucamonga, CA-based company in the Telecommunications sector.
ISI Telemanagement Solutions, Inc. is a Schaumburg, IL-based company in the Telecommunications sector.
DataJack, Inc. is a wholly owned subsidiary of Quamtel, Inc. (OTCBB: QUMI), a public holding company headquartered in Dallas, Texas. Quamtel provides a comprehensive portfolio of advanced telecommunications technologies, enhanced service solutions and next generation broadband service. Quamtel operates in the U.S. and on a global scale through its subsidiaries DataJack, Inc. and WQN, Inc.