@eclifford We temporarily solved the issue by applying a Dynamic VPN split-tunnel ACL as described above.My assumption was that in our case MS initially establishes the Teams call routing through the cloud-based Call Proxy.  When it sees/believes tha...

John I found this thread because I'm trying to help solve the same issue.Question: Do your on-prem endpoints and VPN endpoints end up getting the same public IP NAT when communicating to the Internet (MS Teams call control)?We're seeing different beh...