California regulators are investigating Cingular Wireless, the second-largest U.S. wireless telephone company, after receiving thousands of consumer complaints about shoddy service and cancellation ...

November has been a busy month for Cingular, which launched the Sync music phone and BlackJack Windows Mobile smartphone, both by Samsung, and then the eagerly awaited Palm Treo 680. My original ...

The amount Cingular Wireless will spend to upgrade its cell phone network to offer higher-speed service may have ballooned by as much as $1 billion, according to details of deals with three major ...

The world's most popular wireless telephone technology, known as GSM, has won another convert: Cingular Wireless, America's second-largest wireless carrier. Cingular Wireless announced Tuesday morning ...

MySpace has struck a deal with Cingular Wireless to provide mobile customers access to the social network's interactive tools, MySpace said Monday. By Carly Mayberry, The Associated Press MySpace has ...

Cingular Wireless will start selling phones made by German phone maker Siemens later this year, the two companies announced Monday. The first Siemens phone, the CT56 model capable of taking and ...

MySpace has struck a deal with Cingular Wireless to provide mobile customers access to the social network's interactive tools, MySpace said Monda By Carly Mayberry, The Associated Press MySpace has ...

It's time for Cingular's final exam. The United States' second-largest wireless company, with 21.6 million customers to Verizon's 29.4 million, has spent the 18 months since its creation building a ...

Cingular Wireless LLC, the nation's largest cell-phone provider, reported a much narrower second-quarter profit on hefty merger integration costs, but saw strong growth in subscribers and revenue. The ...

Cingular Wireless lost a bid to block three class-action lawsuits when the U.S. Supreme Court refused Monday to question California court rulings that companies say are limiting the use of arbitration ...

Cingular Wireless, a joint venture of SBC Communications and BellSouth, has inked an agreement to acquire AT&T Wireless. Under terms of the agreement, which was approved by the boards of directors at ...

Cingular Wireless, the No. 1 U.S. mobile service provider, Wednesday posted a quarterly profit versus a year-ago loss with stronger than expected subscriber growth. The venture of AT&T Inc. and ...