Possible reasons
Mute
Please check whether the meeting participant you cannot hear has muted his microphone. You can recognize this by the red mute symbol on his tile.
The microphone of the other party does not work
The other party should check the suggested solutions in the article: My camera/microphone does not work.
Network configuration
Often, problems with the network configuration manifest themselves in such error states. Please check the article: I keep having connection difficulties during a meeting.
Browser
Current version or update required?
Please check that you are using the latest version of your web browser (also note the system requirements):
Delete cache and cookies
t may be necessary to clear the browser cache and cookies for https://meetings.procall.de First check if access to camera and microphone works in an incognito/private browser window. If so, clearing the cache or cookies of the web application may help:
Further procedure