I tried zoom meeting. its telling microphone not detected. pl telll how to solve. tried with out without. testing button is greyed out. mocrophone button is crossed. firstname.lastname@example.org
Please open "pulseaudio volume control" from the menu and check the mic settings, unmute/select microphone while you keep the zoom open on the background.
i had the same problem with radio sound and music and fixed them at https://tonosparacelular.net/tonos-para-whatsapp/