Can anyone use Skype with Chromium?

I can (at least) hear – and speak to – Echo / Sound Test Service with Firefox, if its user agent (UA) string is overridden with the string from Chromium:

With Chromium:

> Audio and video calls are not supported on your browser.

I wondered whether the failure to work with Chromium is peculiar to FreeBSD.

No go with Chromium on Linux, either (Manjaro in Oracle VirtualBox, the screen to the right):

I know, Chromium ≠ Google Chrome but I wonder: