Comment by reify

I love that sound

I always create an alias to make that sound and another for the matrix phone sound when I connect to the internet.

the sound files are available here: https://www.soundjay.com/dial-up-modem-sound-effect.html

for the matrix:

alias wifion="nmcli dev wifi connect 'wifi-name'" && paplay /path/to/soundfile/matrix-phone.wav

for the old dial up tones:

alias wifioff="nmcli d disconnect wlp3s0" && /path/to/soundfile/dial-up-modem-02.wav

linux has loads of these sounds in /usr/share/sounds/freedesktop/stereo