Microsoft supports Teams Phone with Direct Routing only when certified SBCs are used, and Microsoft reserves the right to decline support cases where a non-certified device is connected.

Checked 2026-09-16

Microsoft may decline support requests involving non-certified SBCs.
Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
support boundary
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-16
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). CUCM to Teams Phone migration: source note cucm-to-teams-phone-dr-certified-sbc-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-dr-certified-sbc-only

BibTeX

@misc{warmtransfer-claim-cucm-to-teams-phone-dr-certified-sbc-only,
  title  = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-dr-certified-sbc-only},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-dr-certified-sbc-only},
  note   = {Source note cucm-to-teams-phone-dr-certified-sbc-only, checked 2026-09-16}
}

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