www.WirelessFederation.com/news: Apple iPhone users can now use internet calling services over cellular networks. Earlier, VoIP calling has been available on the iPhone, but only over WiFi connections, which don't have the range of 3G cellular networks. Apple has also vowed to get VoIP applications into its App Store. Apple's earlier decision to block a Google had triggered an enquiry into the competition in the wireless industry by the Federal Communications Commission. It was revealed by AT&T that Apple wasn't allowed to enable any Internet calling applications that use AT&T's 3G network without AT&T's permission.