Source note · TLS versions and cipher support across UC platforms
Microsoft forces TLS 1.2 on the Teams Direct Routing SIP interface and SBCs must be configured to support TLS 1.2.
Checked 2026-10-02
Microsoft forces TLS1.2 usage for the Direct Routing SIP interface.
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- SIP interface
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Connect your Session Border Controller (SBC) to Direct Routing — Microsoft · tier 2 current vendor documentation · Connect the SBC to the tenant; Considerations, TLS bullet
Cite this note
APA
WarmTransfer. (2026, October 2). TLS versions and cipher support across UC platforms: source note tls-version-support-uc-teams-dr-forces-tls12. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-version-support-uc-teams-dr-forces-tls12
BibTeX
@misc{warmtransfer-claim-tls-version-support-uc-teams-dr-forces-tls12,
title = {TLS versions and cipher support across UC platforms: source note tls-version-support-uc-teams-dr-forces-tls12},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-version-support-uc-teams-dr-forces-tls12},
note = {Source note tls-version-support-uc-teams-dr-forces-tls12, checked 2026-10-02}
}