Source note · Teams Phone Direct Routing and SBC certification
Microsoft's December 2025 update said Microsoft would in future require all SBC certificates to include the Client Authentication EKU.
Checked 2026-09-23 · superseded by teams-direct-routing-client-eku-not-required
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- tls-certificates
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- as announced 2025-12-12
- 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)' > 'Summary', second bullet
Cite this note
APA
WarmTransfer. (2026, September 23). Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-client-eku-future. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-client-eku-future
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-client-eku-future,
title = {Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-client-eku-future},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-client-eku-future},
note = {Source note teams-direct-routing-client-eku-future, checked 2026-09-23}
}