While the microphone (Lifecam Cinema Analog Mono) is detected fine in the device settings, the camera device of aforementioned USB webcam isn't (and thus the camera toggle is disabled).

In contrast, the USB webcam works just fine in the Teams webapp with Chromium:

Desktop (please complete the following information):
OS: Ubuntu 18.04
Installation package: snap
Version: 0.3.0
Hi, can you fill the issue template? I will avoid going back and forward with simple questions about OS, version, etc. Thanks
Also, if using snap, read the docs. You need to activate the camera
Check the documentation to enable the camera feature here @BOFH2k https://github.com/IsmaelMartinez/teams-for-linux/blob/develop/KNOWN_ISSUES.md#use-camera-using-the-snap-build
Thanks a lot,
that worked.
Most helpful comment
Check the documentation to enable the camera feature here @BOFH2k https://github.com/IsmaelMartinez/teams-for-linux/blob/develop/KNOWN_ISSUES.md#use-camera-using-the-snap-build