The message informs about ensuring optimal audio and video quality during Microsoft Teams calls by allowing access to a specific URL as part of the preparation for the Noise Suppression feature.
This message is for your information and to ensure the best high audio and video quality experience during Microsoft Teams calls and meetings.
What you can do to prepare:
Please make sure you allow access to the following URL https://aiinfrastructure.static.microsoft/ to all users, as per ID 184 in Microsoft 365 URLs and IP address ranges.
This is especially important for the Noise Suppression feature that is a default experience for all users.