Microsoft supports Teams Phone with Direct Routing only when a Microsoft-certified SBC is used, and may decline support requests involving non-certified SBCs.

Checked 2026-09-30

Vendor
Microsoft
Product
Teams Phone
Subsystem
Direct Routing support boundary
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Microsoft teams direct routing: source note microsoft-teams-direct-routing-certified-sbc-required. WarmTransfer. https://warmtransfer.net/knowledge/claims/microsoft-teams-direct-routing-certified-sbc-required

BibTeX

@misc{warmtransfer-claim-microsoft-teams-direct-routing-certified-sbc-required,
  title  = {Microsoft teams direct routing: source note microsoft-teams-direct-routing-certified-sbc-required},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/microsoft-teams-direct-routing-certified-sbc-required},
  note   = {Source note microsoft-teams-direct-routing-certified-sbc-required, checked 2026-09-30}
}

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