To my understanding, Rebtel is as same as Gizmo5 and they both provide iNum and VoIP services to the public. However, Gizmo5 no longer continues to offer new accounts registration after it is merged by Google Voice. As to Rebtel, they provide pay service as well as free iNum service, which suits different individual needs.
To me, Gizmo5 may be quite enough for the time being. |