If you are having Camera issues during a SightCall Session, here are a few things to check for:
1. Check your input and output devices:
To do so, click in the top right corner on the Settings cogwheel icon to see the list of devices detected. You'll want to ensure the corred device is selected:
2. Check that the Camera is activated on both ends:
If the icon has a white background, then the feature is active, so here the local camera is off, while the remote camera is on:
If all else fails, there could be an issue with the audio drivers, check that the sound works fine using other applications, and if it still does, please provide us with a coredump.