Cingular a joint venture between SBC Commaunications (NYSE - SBC) and BellSouth (NYSE - BLS), serves more than 25 million voice and data customers across the United States. A leader in mobile voice and data communications, Cingular is the only U.S. wireless carrier to offer RolloverSM, the wireless plan that lets customers keep their unused monthly minutes. Cingular has launched the world's first commercial deployment of wireless services using Enhanced Data rates for GSM Evolution (EDGE) technology. Cingular provides cellular/PCS service in 43 of the top 50 markets nationwide, and provides corporate e-mail and other advanced data services through its GPRS, EDGE and Mobitex packet data networks. Details of the company are available at http://www.wireless.att.com/home/

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