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
Old Modem Internet Connection Sound Effects - YouTube
Music Modem Brings Back Squealy Memories of Dial-up
138-MMSN843 AZTECH 14.4 FAX MODEM SOUND CARD ISA | eBay
Modem Sound | SFX Ringtones For Mobile Phone Download
Freesound - "56k Modem.mp3" by BlueNeon
Spectrogram Visualization of a Dial-Up Modem Handshake Sound
Dial-Up Modem Sound | What Was That Dial-Up Internet Sound?
A Nostalgic Compilation of Dial-Up Modem Sounds
Alango Introduces Short Range Sound Modem (SRSM) Technology | audioXpress
Dial Up Sound
Retro Modem Sound Board Effects:Amazon.com:Appstore for Android
Dial Up Modem Sounds, 56K Edition - YouTube
Dial Up Modem Handshake Sound - Spectrogram - YouTube