Source note · TLS versions and cipher support across UC platforms
Microsoft SIP endpoints currently trust SBC certificates that lack the Client Authentication EKU and Microsoft says it will communicate in advance if that changes.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- mutual TLS
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- What's New Direct Routing — Microsoft · tier 2 current vendor documentation · Clarification on Client Authentication Extended Key Usage (EKU)
Cite this note
APA
WarmTransfer. (2026, October 2). TLS versions and cipher support across UC platforms: source note tls-version-support-uc-teams-dr-client-eku-not-required. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-version-support-uc-teams-dr-client-eku-not-required
BibTeX
@misc{warmtransfer-claim-tls-version-support-uc-teams-dr-client-eku-not-required,
title = {TLS versions and cipher support across UC platforms: source note tls-version-support-uc-teams-dr-client-eku-not-required},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-version-support-uc-teams-dr-client-eku-not-required},
note = {Source note tls-version-support-uc-teams-dr-client-eku-not-required, checked 2026-10-02}
}