According to one industry observer, it isn't the airlines that have a problem with cell phone use on planes; it's the wireless carriers. In the air, a cell phone attempts to connect to a carrier's network using hundreds of different cell towers on the ground, making it more <A HREF="http://www.eweek.com/print_article/0,1761,a=125028,00.asp">difficult for service providers</A> to manage their networks.