• kent_eh@lemmy.ca
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    1 year ago

    That’s a huge part of it.

    The global phone system was originally built on the premise that phone companies can trust the call related information provided by other phone companies.

      • kent_eh@lemmy.ca
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        1 year ago

        Yup.

        However there is a massive legacy system Stull in place that still handles the majority of global voice traffic.