Teams Direct Routing accepts SBC connections using TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 or TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256.

Checked 2026-10-02

Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
cipher suites
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). TLS versions and cipher support across UC platforms: source note tls-version-support-uc-teams-dr-cipher-suites. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-version-support-uc-teams-dr-cipher-suites

BibTeX

@misc{warmtransfer-claim-tls-version-support-uc-teams-dr-cipher-suites,
  title  = {TLS versions and cipher support across UC platforms: source note tls-version-support-uc-teams-dr-cipher-suites},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/tls-version-support-uc-teams-dr-cipher-suites},
  note   = {Source note tls-version-support-uc-teams-dr-cipher-suites, checked 2026-10-02}
}

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