Calling home is nice. It helps prevent your friends and family from worrying about you when they haven’t seen you in ages and only receive the occasional postcard from far and exotic lands (you do send postcards, right?) It also keeps you up to date with developments back home. As soon as you are in a different country though, international call costs are high and depending where you are they can even seem prohibitively expensive. Never fear – VOIPs are here! What is a VOIP? VOIPs are ‘Voice over internet protocols’. Essentially they are software or downloadable applications that you can run on your smartphone or computer to make phone…