Method and system for least cost routing (LCR) of international mobile telephone calls with an integrated money transfer facility

摘要: A method and system for least cost routing mobile telephone calls between the United States Mexico in such a way so that call is separated into several legs international portion or leg routed via low-cost no-cost route independently of local legs, essentially achieving an with rates. This uses SIM card automatically identifies any incoming outgoing provides ability to convert from expensive and/or roaming (free) call. Several slight variations are disclosed, all embodiments have integrated money transfer service can be used very simple basic phone using IVR, SMS voice recognition, accessed web smartphone app.