Now there are many misleading articles on how to buy calling cards,these articles pointed out that the cheapest telephone cards will save a large sum of money. In fact, this view is wrong.
This article will tell you that the the cheapest rates is not necessarily the best.

Now I will give some examples to illustrate.The lowest rates not necessarily the best for you,some cards has lowest rate but has connection fee or has maintenance fee,some has connection fee and maintenance fee,when you decide to buy,you should consider all above.The best way to evaluate whether a cheaper phone card with connection fee is worthwhile or not is to estimate the average time for your phone calls. If you make 15 minutes calls, a card for 3 cents/min with $1.00 connection fee is actually more expensive than a card for 7 cents/min with no connection fee. A phone card with high connection fee is good for the case when you know your party is there and you intend to talk for a long time.Comfi has many kinds of card.I think you will find right one for yourself or your family.
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