RE: question about International Calls with calling Cards
Calling cards is the cheapest option for international calls, however they are mostly available in developed countries. It may be very difficult to find calling cards in Central and South America. And obviously you need a phone to use a calling card in anyway. Also, even with calling cards, it’s much cheaper to call overseas from US then call from overseas to US.
Assuming that you have unlocked cell phone and local SIM card you can use so called call back function of smart phone calling applications. Such applications can convent your outgoing call to US to incoming from US, so you pay USA or Canada price for calls. I use CiCi Mobile app from [link dead] (click on CiCi calling card and then on CiCi Mobile app). This app works well for me for all my trips. But again, it will save you on international long distance charges only. You still need to have a local SIM card and compatible cell phone.
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