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AT&T Mobility, formerly known as Cingular Wireless, is a wholly owned subsidiary of AT&T that provides wireless services to 126.4 million subscribers in the United States, including Puerto Rico and the U.S. Virgin Islands. AT&T Mobility is the second largest wireless telecommunications provider in the United States and Puerto Rico behind Verizon Wireless. AT&T Mobility is headquartered in the Lenox Park area of Brookhaven, Georgia, just outside Atlanta. Originally known as Cingular Wireless from 2000 to 2007, a joint venture between SBC Communications and BellSouth, the company acquired the old AT&T Wireless in 2004; SBC later acquired the original AT&T. Cingular became wholly owned by AT&T in December 2006 as a result of AT&T's acquisition of BellSouth. In January 2007, Cingular confirmed it would re-brand itself under the AT&T name. Although the legal corporate name change occurred immediately, for both regulatory and brand-awareness reasons both brands were used in the company's signage and advertising during a transition period.〔"(Cingular is now the new AT&T )." AT&T press release. January 12, 2007.〕 The transition concluded in late June, just prior to the rollout of the Apple iPhone. On March 20, 2011, AT&T Mobility announced its intention to acquire T-Mobile USA from Deutsche Telekom for $39 billion. If it had received government and regulatory approval, AT&T would have had more than 130 million subscribers. However, the U.S. Department of Justice, the Federal Communications Commission, and AT&T Mobility's competitors (such as Sprint Corporation) opposed the move on the grounds that it would substantially reduce competition in the cellular network market. In December 2011, in the face of both governmental and widespread consumer opposition, AT&T withdrew their offer to complete the merger. On March 13, 2014, the Federal Communications Commission approved the acquisition between AT&T and Leap Wireless. On the same day Leap announced the completion of the acquisition by AT&T. ==Services== Among the services that AT&T aggressively promotes is its Rollover Minutes service, which allows customers to keep unused minutes from month to month on a twelve-month rolling cycle on its popular nationwide plans. Beginning in July 2007, AT&T allows its AT&T Unity plan users to have Rollover, a service which was exclusive to the Nation plans. AT&T also launched video share in 2007, in which a mobile caller can stream live video from one phone to another over the 3G network with video share capable phones. This allows one mobile phone user to view video from another user's camera through the mobile phone in real time. AT&T also had A-list, similar to former competitor Alltel's program launched on April 20, 2006 branded "My Circle." AT&T rolled out the A-list program on September 20, 2009. Customers with individual Nation plans of $59.99 or higher could use A-List with Rollover to select up to five domestic phone numbers to call anytime—including landlines and wireless numbers on any network—without using any of the minutes in their plan. FamilyTalk customers with plans of $89.99 or more could select up to ten numbers which any person in the FamilyTalk plan can call as much as they want.〔(AT&T Customers Enjoy Unlimited Calling to Their A-List ), ATT.com, September 9, 2009〕 Effective September 1, 2011, the A-List feature is no longer available to new consumer and IRU customers. Existing customers who had A-List on their account prior to September 1, 2011, are able to keep the feature as long as they stay on a qualifying rate plan. As of October 25, 2013 AT&T no longer offers Nation Plans or Family Talk Plans to its new customers. New customers are now required to have one of AT&T Mobile Share Value plans which include unlimited Talk, Text and a shareable bucket of data start at $45 for a smartphone. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「AT&T Mobility」の詳細全文を読む スポンサード リンク
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