IIRC it was the only way to support 56k. | Hacker News

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		actionfromafar on March 7, 2025 \| parent \| context \| favorite \| on: 56k modems relied on digital trunk lines IIRC it was the only way to support 56k.

icedchai on March 7, 2025 [–]

Yes! The ISP side needed to be digital to get a 56K connection.

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