This photo combination shows logos for AT&T (left) and Deutsche Telekom AG. AT&T Inc. on Sunday, March 20, 2011, said it will buy T-Mobile USA from Deutsche Telekom in a cash-and-stock deal valued at $39 billion, becoming the largest cellphone company in the U.S. (AP Photo)

Photo by: Seth Perlman and Roberto Pfeil

This photo combination shows logos for AT&T (left) and Deutsche Telekom AG. AT&T Inc. on Sunday, March 20, 2011, said it will buy T-Mobile USA from Deutsche Telekom in a cash-and-stock deal valued at $39 billion, becoming the largest cellphone company in the U.S. (AP Photo)