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Microsoft Teams | Microsoft Teams for business | Meetings and calls | Audio and video
Managing sound and video settings during Teams meetings and calls for optimal communication
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Hi Flemming,
I'm sorry to hear that you're have issues with your Jabra whenever you end calls. First, let's make sure that the user's Teams app cache files are not corrupted. Please follow the steps below according to your operating system.
Clear Teams cache in Windows
If Teams is still running, right-click the Teams icon in the taskbar, and then select Quit.
Open the Run dialog box by pressing the Windows logo key +R.
In the Run dialog box, enter %appdata%\Microsoft\Teams, and then select OK.
Delete all files and folders in the %appdata%\Microsoft\Teams directory.
Restart Teams.
Clear Teams cache in macOS
If Teams is still running, right-click the Teams icon in the dock, and then select Quit, or press Command (⌘)-Q.
In the Finder, open the /Applications/Utilities folder, and then double-click Terminal.
Enter the following command, and then press Return:
rm -r ~/Library/Application\ Support/Microsoft/Teams
Restart Teams.
This usually fixes these types of issues but if not, you'll have to make sure that the proper drivers for your Jabra 75 are installed in your PC. You may download it from here.