According to your case description, voicemail is not working properly in Microsoft Teams. Please try the following methods to troubleshoot the problem:
- Check voicemail settings: Make sure the voicemail feature is enabled in Teams. Check if there are any mail flow rules that prevent voicemail delivery. For more information, please refer to Voicemail messages aren't delivered in Teams.
- Clear cache:
- Update the Teams app: Make sure you are using the latest version of Microsoft Teams. If the problem persists, uninstall and reinstall the Teams app.
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