Today Yahoo detailed a recently approved Apple iPhone application named http://itunes.apple.com/app/line2-2-lines-1-iphone/id319185557?mt=8 by Toktumi, Inc. that allows users to sidestep AT&T among other handy things for just a dollar.
Below is a demo video of Line2 in action, and to quote from the article on the app's feature highlights:
"Line2 gives your iPhone a second phone number - a second phone line, complete with its own contacts list, voice mail, and so on.
Your second line can be an 800 number, if you wish, or you can transfer an existing number.
Line2 also turns the iPhone into a dual-mode phone. That is, it can make and receive calls either using either the AT&T airwaves as usual, or - now this is the best part - over the Internet. Any time you're in a wireless hot spot, Line2 places its calls over Wi-Fi instead of AT&T's network.
Line2 also runs on the iPod Touch. When you're in a Wi-Fi hot spot, your Touch is now a full-blown cellphone, and you don't owe AT&T a penny.
Turns out Wi-Fi calls don't use up any AT&T minutes. You can talk all day long, without ever worrying about going over your monthly allotment of minutes. Wi-Fi calls are free forever.
Well, not quite free; Line2 service costs $15 a month (after a 30-day free trial).
Finally, Line2 also lets you call overseas phone numbers for Skype-like rates: 2 to 5 cents a minute to most countries."
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