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A comment on Why 56k Modems Relied on Digital Phone Lines You Didn't Know We Had. Parent comment

Re:Why 56k Modems Relied on Digital Phone Lines You Didn't K... by function_seven on Thursday March 06, 2025 @04:15PM (#43285144)
Wikipedia has good info on how RespOrgs handle this:

https://en.wikipedia.org/wiki/Toll-free_telephone_numbers_in....

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