will oracle publish a guide? regards MS Teams test endpoint available for upcoming CA updates
Microsoft Message center
Message ID MC1235747
Published Feb 21, 2026
Microsoft Teams: Test endpoint will be available for upcoming certificate authority update
Test endpoint details: FQDN: sip.g1.pstnhub.microsoft.com Port: 5061
If your organization uses Direct Routing:
Work with your SBC vendor to configure SIP OPTIONS tests to the new test endpoint.
Validate that your SBC can establish a TLS connection to the endpoint before the end-of-March deadline.