Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_1 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5) I'd like to drop my land line. service is ok, not great at home. I've got a google voice account, and the GV app for my iP4. Is this enough to make WiFi VoIP calls? (when I try, it seems to default the call to the native cellular on the device. forgive me if this is already discussed, diddnt know what to search for.