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Cingular Wireless is the larget cell phone company in the USA, with over 57 million subscribers. Cingular Wireless is a joint venture between AT&T Inc. (60%) and BellSouth (40%). Cingular Wireless provides mobile voice and data communication services. Cingular Wireless operates GSM (Global System for Mobile Communications), GPRS (General Packet Radio Service) and EDGE (Enhanced Data rates for GSM Evolution) networks. Cingular Wireless' headquarters are located in Atlanta, Georgia. Cingular Wireless employs over 70,000 employees with revenue exceding $34 billon in 2005. Cingular Wireless top competitors are Verizon Wireless, Sprint Nextel, T-Mobile and Alltel.
Every Cingular cell phone uses the latest phone technologies like TDMA network and GSM/GPRS. In 2003, Cingular introduced the Enhanced Data rate for GSM Evolution (EDGE) technology. Universal Mobile Telephone Service (UMTS) was also introduced. UMTS allows global roaming, and is the natural evolutionary path for the GSM/GPRS technology. All the Cingular cell phones display multimedia messaging, ringtones, and graphics capabilities. | ||
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