[Free-RTC Discuss] Free software speaker phone

[Kralj Karlo]

Daniel:
> Have you considered running an open source sip phone app on a small...

Saúl:
>  ... computer that would be in the room, attached to a TV and
> some speaker / microphone device, and then connect the room to a Jitsi
> Meet conference.

Daniel and Saúl, this is exactly what I want.
How I prevent feedback when I have a microphone next to a speaker?