With the proliferation of wi-fi around the world, it’s making more and more sense for travelers abroad to make free (or very low cost) calls using internet connections instead of the more expensive cellular roaming option.
Much of this is driven by Apple, which has made wi-fi voice calling a prominent feature of its latest batch of phones, meaning that iPhone 6 users can soon opt to circumvent cellular towers entirely by making calls over wi-fi– at home or overseas.
So if you are sick of returning from trips abroad to face inflated phone bills, here are a few ways to use Voice-Over-Internet-Protocol (VOIP) technology to make calls on your smartphones.