the quality is not that good, i always heard noise when I talked to someone. 5 q) B/ b2 B7 A9 r0 `+ D o: ABut it worth to get it, at least it is free app you can get. " J6 x, z/ r8 U2 U+ P * v1 L! ?7 k: g4 n! L: y1 q" kGmail's call phone function is cool too, its quality is awesome, also free to call within Canada and USA, but so far i didn't find an app for iphone yet. There is one is called black swan, but it only works for usa users.