Cheap Voip Calls: The Mobile VOIP dialer lets you make cheap national or international calls. MobileVOIP is the best Android voip solution; save on your mobile phone costs right away, by using this Mobile voip (MVoIP) cheap calls app! Save on monthly calling charges. You can now also use MobileVOIP to top up mobile prepaid phones abroad! Simply select a contact and choose the 'Mobile Top Up' function. You can use your regular voip credit to send Airtime anywhere in the world. What is VOIP and