This is a sponsored post, all opinions here-in are mine. Make Calls, Save Money As crazy as it sounds, there are still people in the world who use their iPhones and Android handsets to … make voice calls. I know, Crazy! Right? If you are one of them, and, especially, if you travel internationally, the cost of those calls can add up quickly. Vonage has been around for quite some time, but they’ve just released a new iPhone and Android calling application that is pretty impressive. I’m already using it for calls when I’m in a WiFi network; although the…