[asterisk-biz] voipstunt, sipdiscount, etc.. how did they do it?

[Emilio F Panighetti]

It's not free, you need to have a paid account, and unused funds expire

On Apr 5, 2006, at 1:37 PM, azyuky wrote:

Folks,

Until now I still cannot figure out how voipstunt or sipdiscount and  
a few other
voip providers can afford to provide "free" calls to many countries?  
I know there is
a catch to it, but free calls are too tempted and I don't know how  
these guys do it.
Any of you have any idea? I cannot figure this out.

-az


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