Source note · Setting up Microsoft Teams Direct Routing

Direct Routing certification is granted to specific SBC firmware versions, and firmware higher than the documented version is supported as long as the major.minor version is the same.

Checked 2026-09-24

Firmware versions that are higher than what is documented are supported as long as the major.minor version is the same.

Vendor: Microsoft
Product: Microsoft Teams Phone
Subsystem: direct-routing-sbc-certification
Deployment: multi-tenant
Region: not restricted
Release range: current as of 2026-09-24
Checked: 2026-09-24

Sources

Session Border Controllers certified for Direct Routing - Microsoft Teams — Microsoft · tier 2 current vendor documentation · Introductory Note block, firmware paragraph and Example

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-cert-firmware-major-minor. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-cert-firmware-major-minor

BibTeX

@misc{warmtransfer-claim-teams-direct-routing-setup-cert-firmware-major-minor,
  title  = {Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-cert-firmware-major-minor},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-cert-firmware-major-minor},
  note   = {Source note teams-direct-routing-setup-cert-firmware-major-minor, checked 2026-09-24}
}

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