Comment 33 for bug 1838151

I can confirm that the above solution works well. I bought a similar but slightly cheaper one:
https://www.amazon.co.uk/gp/product/B086L2WNPG/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1

Basically the dongle pairs directly to your headset and acts as a usb sound card. By far the easiest solution I've found.