VoIP business is booming in the U.S.
March 5, 2006
Last year was a breakout time for Internet telephone services, with the number of U.S. subscribers more than tripling to 4.5 million and industry revenue surpassing $1 billion.
March 5, 2006
Last year was a breakout time for Internet telephone services, with the number of U.S. subscribers more than tripling to 4.5 million and industry revenue surpassing $1 billion.