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A comment on Ask HN: How can I stop receiving spam phone calls?. Parent comment

Re:Ask HN: How can I stop receiving spam phone calls? by tom_mellior on Sunday March 11, 2018 @11:37AM (#16563350)
I don't know exactly how inter-provider billing works, but I assume the sender's network pays the receiving network. The sender caused the traffic, why would anyone else pay for it?
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