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AT&T Mobility LLC, anciennement Cingular Wireless LLC,est un opérateur nord-américain spécialisé dans les réseaux de téléphonie mobile ; c'est une filiale du groupe de télécommunications américain AT&T, considéré comme l'opérateur historique du pays.
Originally known as Cingular Wireless (a joint venture between SBC Communications and BellSouth) from 2000 to 2007, the company acquired the old AT&T Wireless in 2004; SBC later acquired the original AT&T and adopted its name. Cingular became wholly owned by AT&T in December 2006 as a result of AT&T's acquisition of BellSouth.
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Cingular Wireless was a mobile phone company from the United States. Cingular Wireless was created in 2000 resulting from a joint venture of SBC Communications Inc. and the BellSouth Corporation. [1] . AT&T Mobility LLC bought Cingular in 2006, subsequently causing Cingular to adopt the AT&T Wireless name.
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AT&T Mobility (fino al 2007 Cingular Wireless) è il nome utilizzato dalla sussidiaria di AT&T. È la seconda compagnia mobile negli Stati Uniti con più di 107 milioni di abbonati. Fu fondata nel 2000 .
Cingular, la predecesora de AT&T Mobility, recibe el legado de las redes inalámbricas D-AMPS/TDMA y análogas. En marzo de 2006, Cingular anunció que esas redes serían cerradas en febrero del 2008. A partir del 31 de marzo de 2007 Cingular dejó de soportar la TDMA para los clientes de GoPhone (Plan Pre
