Virtual Roaming Solution
AVO permit you to use you home mobile number(make and receive call on it) when you are abroad, without any roaming fees. All what you need is a local internet connection (wi-fi/3G/LTE). You don't need to set up any call forwarding before you leave, and set it down when you come back. For make it work it's enough to plug out your home SIM-card and connect to Wi-Fi, or insert a local data SIM in your phone.