Museum of Portable Sound - The sounds of a dialup modem connecting to the internet are actually a language, and the sounds are a conversation between two 20th century-era machines. Listen along
Modem Sound Old School Funny Computer Internet" Posterundefined by Basti09 | Redbubble
The Sound of dial-up Internet - YouTube
Modem - Wikipedia
Spectrogram Visualization of a Dial-Up Modem Handshake Sound
The Sound of dial-up Internet - YouTube
Project: THE DEFINITIVE COLLECTION of V.90/V.92 Modem Sounds | Gough's Tech Zone