Thanks for clarifying! It's like i had all the concepts there - out of band and ... | Hacker News

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rubyrescue on April 17, 2013 | parent | context | favorite | on: Why don't cell phones have a dialtone?

Thanks for clarifying! It's like i had all the concepts there - out of band and SS7 - but didn't really get the details. This is why I love HN.

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