All posts by Robert Mandelkau

Certificate change at Microsoft – action required for all anynode SBCs with Teams connectivity

Certificate change at Microsoft – action required for all anynode SBCs with Teams connectivity

Microsoft will introduce changes to the TLS certificates used for Teams Direct Routing, Operator Connect, and Azure Communication Services (ACS) starting in March 2026. As part of updated certificate trust requirements, Microsoft Teams SIP certificates will be issued by a new set of approved Root Certificate Authorities (CAs). To maintain Continue reading

Final Transition to DigiCert CA

Final Transition to DigiCert CA

Microsoft no longer has its own certificates, which it presents to anynode when establishing a TLS connection, signed by the Baltimore CyberTrust Root CA, but by the DigiCert Global Root CA. The transition to certificates issued by the new CA began at the end of August 2023. The final transition Continue reading