Source note · Teams Phone Direct Routing and SBC certification
SBCs must trust all seven root CAs Microsoft lists for the 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 CA 2017 and Microsoft RSA Root CA 2017.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- tls-certificates
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- announced 2025-12-12; current as of 2026-09-23
- Checked
- 2026-09-23
Sources
- What's New Direct Routing — Microsoft · tier 2 current vendor documentation · entry 'Update on upcoming certificate changes (December 12, 2025)' > 'Changes and call to action' and 'Summary'
Cite this note
APA
WarmTransfer. (2026, September 23). Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-trusted-root-list. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-trusted-root-list
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-trusted-root-list,
title = {Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-trusted-root-list},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-trusted-root-list},
note = {Source note teams-direct-routing-trusted-root-list, checked 2026-09-23}
}