Show HN: OpenPayphone – open-source guts for a 1996 coin payphone (Pi and SIP)
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mcintyem
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Hacker News
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Show HN: OpenPayphone – open-source guts for a 1996 coin payphone (Pi and SIP).
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Show HN: OpenPayphone – open-source guts for a 1996 coin payphone (Pi and SIP)Hacker News21 engagement