Have you seen and/or heard about Line2 for the iPhone? It’s making a stir because of it’s ability to ‘sidestep’ AT&T’s service:
Line2 is a mobile app from Toktumi that’s a refreshing option for iPhone users who need to maintain a separate personal and a business phone number.
It’s also useful — and potentially revolutionary — for iPhone owners who want to cut down on their monthly voice minutes by allowing them to place calls over Wi-Fi as well as over 3G Voice Over IP (VOIP).
Check out this video after the jump: