Source note · Setting up CUBE as a Microsoft Teams Direct Routing SBC
SBCs must trust seven root CAs for the Microsoft Teams SIP interface: DigiCert Global Root CA, DigiCert Global Root G2, DigiCert Global Root G3, DigiCert TLS ECC P384 Root G5, DigiCert TLS RSA 4096 Root G5, Microsoft ECC Root Certificate Authority 2017 and Microsoft RSA Root Certificate Authority 2017, for both client and server certificates.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- Direct Routing certificates
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- What's New Direct Routing — Microsoft · tier 2 current vendor documentation · Update on upcoming certificate changes (December 12, 2025) > Changes and call to action; Summary
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up CUBE as a Microsoft Teams Direct Routing SBC: source note cube-teams-direct-routing-setup-seven-root-cas. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-seven-root-cas
BibTeX
@misc{warmtransfer-claim-cube-teams-direct-routing-setup-seven-root-cas,
title = {Setting up CUBE as a Microsoft Teams Direct Routing SBC: source note cube-teams-direct-routing-setup-seven-root-cas},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-teams-direct-routing-setup-seven-root-cas},
note = {Source note cube-teams-direct-routing-setup-seven-root-cas, checked 2026-09-30}
}