HOUSTON, July 15 /PRNewswire/ -- In a study of more than 20,000 current consumer wireless bills, Validas found that voice revenue continues to outpace data revenue by a ratio of 3.6 to 1. The study revealed that while more than 73% of U.S. wireless users subscribe to voice plans, only 25% subscribe
Source : http://www.prnewswire.com/news-releases/amidst-wir...
Source : http://www.prnewswire.com/news-releases/amidst-wir...