On: FCC Takes On Apple And AT&T Over Google Voice Reje...

[Xichekolas]

It doesn't, but it does allow you to specify a Gizmo (gizmo5.com) SIP number as your 'phone'.

There are numerous SIP softphones for the iphone/touch, so this means you can essentially do free VoIP.

Why it only works with Gizmo SIP numbers is unclear. Seems like it should work with any SIP number, including one you host on your own servers.