Phone phreaking, or messing with the telephone system, was so interesting to me that an early job was working on internal TCP-IP implementations with Pacific Bell's HICAPS group. High-capacity lines back then were not what we know now.
The 8Bit Guy does a great job reminding me of the POTS days. — Read the rest
Original Link: https://boingboing.net/2021/02/23/the-8bit-guy-on-the-art-of-phone-phreaking.html
