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Re:How Does FreeConferenceCall.com Make Money? (2012) by coderholic on Tuesday August 14, 2018 @08:14PM (#17762971)
It sounds like they get ~$0.04/min for every user. I bet that adds up!
Re:How Does FreeConferenceCall.com Make Money? (2012) by samspenc on Tuesday August 14, 2018 @08:16PM (#17762978)
Back of the envelope calculation:

Avg of 30 min conference calls x say 1 million users per month = $1.2 million a month, or $14.4 million a year

Re:How Does FreeConferenceCall.com Make Money? (2012) by mkching on Tuesday August 14, 2018 @11:04PM (#17763474)
These sort of rates were real in the past, but regulatory changes have decreased them dramatically. In general, much less than $0.01/mi at wholesale rates.