Old internet dial up 56k Modems. Can you hear it? : r/nostalgia
Joining the Internet in the mid 90's. — Musings by @rg
What caused the iconic old dial up internet tone from the 90s? Did someone design that sound digitally or is that some sort of analog tone generated from hardware? - Quora
Bringing back the modem - Make:
What Was Your First Modem? | TechPowerUp Forums
From Baud to Awed: The History of the Modem | Auvik
Hark back to the late 1990s with this re-creation of the dialup Internet experience | Ars Technica