This guy has a tutorial on running modems over VoIP. https://area-51.blog/2021/01/16/getting-a-dial-up-modem-working-with-voip/ https://area-51.blog/2021/01/16

This guy has a tutorial on running modems over VoIP. https://area-51.blog/2021/01/16/getting-a-dial-up-modem-working-with-voip/ https://area-51.blog/2021/01/16/getting-a-dial-up-modem-work...