Determining SIM rates

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Originally Posted by ggking7

Thanks Effendi, it looks like $1.43/minute to call the US from Brazil with Oi. Wouldn't it work to buy a calling card like this:

http://callingcards.callingmart.com/...hp/Continental

which has local access numbers in Brazil, and use it to save a lot of money? The US rate with that card is $0.036/minute. So to call the US, I would pay Oi (for example) the local calling rate, and Continental $0.036/minute for a huge savings over calling direct with Oi.

Yes, that sounds like a good idea in your case.

Chris