It has no clear process to certify SBC for Microsoft Teams Direct Routing in official document. You could contact drsbccertification@microsoft.com to know about the SBC certification program for Direct routing. The following image captured from this document explains this.
How to do SBC certification for direct routing
What steps are needed, to get our own SBC product certified for direct routing with Microsoft Teams.
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Sharon Zhao-MSFT 25,056 Reputation points Microsoft Vendor
2021-09-01T02:39:03.06+00:00
1 additional answer
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Bai, Andy 241 Reputation points
2021-09-01T03:16:13.933+00:00 SBC need the following certificates:
1 . Need public CA to assign certificate for SBC. The certificate needs to be generated by one of the following root certificate authorities:
• AffirmTrust
• AddTrust External CA Root
• Baltimore CyberTrust Root*
• Buypass
• Cybertrust
• Class 3 Public Primary Certification Authority
• Comodo Secure Root CA
• Deutsche Telekom
• DigiCert Global Root CA
• DigiCert High Assurance EV Root CA
• Entrust
• GlobalSign
• Go Daddy
• GeoTrust
• Verisign, Inc.
• SSL.com
• Starfield
• Symantec Enterprise Mobile Root for Microsoft
• SwissSign
• Thawte Timestamping CA
• Trustwave
• TeliaSonera
• T-Systems International GmbH (Deutsche Telekom)
• QuoVadis
• USERTrust RSA Certification Authority
• Hongkong Post Root CA 1,2,3
• Sectigo Root CA2 . Must import Baltimore certificate, as this is the CA that MS uses for all its SIP Proxy. Download link is below.
https://learn.microsoft.com/en-us/microsoft-365/compliance/encryption-office-365-certificate-chains?view=o365-worldwideAny questions, pls let me know. Thanks.
Best Regards,