Look in your sound control panel. There might be something about "Modem WAV Out". Mute that and it should turn off the sound. Ifound out that sometimes look at your settings in your ISP. For example, ...

I often jest that in a few short years the 90s will become the retro-cool that the 80s is today. Mushroom haircuts, grunge rock, 56k modems, baggy pants, golf visors, and beige-colored computers will ...