easy/inexpensive long-distance

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If you are looking for a long-distance service that is easy to use, KeepCalling is the one i use for 1.2 cpm (cents per minute) in Canada. 

For instance, England, Australia, Ireland, India, Italy are only 3.5 cpm. Zambia is only 6 cpm.

It has an easy method of speed dialing numbers. 

I just code my most called numbers into their website and refer to them in my phones (home or cell) and one click does it.

If you know of one that is easier and/or cheaper, let me know.