"As an industry, we spent 20 years building for voice capacity and 10 years fixing it that so that it would work for mobile data, " said John Byrne, an analyst at research firm International Data Corp.

WSJ: U.S. Wireless Carriers Move to New Technology��For Voice

"For almost 10 years, the cartelists carried out the most harmful anti-competitive practices, including price fixing, market sharing, customer allocation, capacity and output coordination and exchanges of commercial sensitive information", the commission said.

BBC: Cathode ray tube in old TV