ATT Wireless

ATT Wireless ATT Wireless formerly named Cingular Wireless is the largest cell phone company in the US. ATT Wireless has in the neighborhood of 71.4 million subscribers as of the first quarter 2008. It also operates the largest digital voice and data network in the United States.The network that att cell phones work on is called GSM(Global System for Mobile communications). This is the most popular standard for cell phones in the world. GSM is used by over 2 billion people around the world. The popularity of the GSM network leads to greater coverage across vast areas.ATT Wireless networks continue to grow and expand their services. One of the new features available are high quality multi channel streaming video feeds. This is at&t's service to compete with verizons streaming video service. The competition between at&t and verizon for wireless domination will continue for a long time.