OK so Here is an update We have a rule that allows all traffic from our vpn to our inside user ip ranges.We have a rule that allows our inside IP ranges outbound to vpn users and to teams ips for the UDP ports 3478, 3479, 3480, and 3481.When a User o...

We are having the same issue. Had a ticket in with Microsoft NO HELP what so ever. We did find that if you block traffic on the UDP ports 3478, 3479, 3480, and 3481 then the Calls stay connected, BUT the call quality is not as good and you will get s...