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Tag Archive 'isdn'

Quest for network-side ISDN on Cisco router

Posted in retro, vintage on May 17th, 2025

TL;DR: I complain about my failings and show off pictures and log files. Later some gradual understanding of ISDN and why this probably won’t work with my particular version of the Courier I-modem with a U interface. Turns out U is electronically incompatible with S/T. In my telcom fiddlings to get a 56k dial-up modem […]

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