A Direct Routing SBC FQDN must belong to a verified Microsoft 365 tenant domain and cannot use the default onmicrosoft.com domain.

fact · verified 2026-09-06

Vendor
Microsoft
Product
Teams Phone
Subsystem
Direct Routing
Deployment
customer-managed-sbc
Region
not restricted
Release range
current as of 2026-09-06
Status
fact
Confidence
0.90
Verified
2026-09-06

Sources

Cite this claim

APA

WarmTransfer. (2026, September 6). Microsoft Teams Phone architecture and licensing: claim teamsphone-direct-routing-rejects-onmicrosoft-sbc-domain. WarmTransfer. https://warmtransfer.net/knowledge/claims/teamsphone-direct-routing-rejects-onmicrosoft-sbc-domain

BibTeX

@misc{warmtransfer-claim-teamsphone-direct-routing-rejects-onmicrosoft-sbc-domain,
  title  = {Microsoft Teams Phone architecture and licensing: claim teamsphone-direct-routing-rejects-onmicrosoft-sbc-domain},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teamsphone-direct-routing-rejects-onmicrosoft-sbc-domain},
  note   = {Claim teamsphone-direct-routing-rejects-onmicrosoft-sbc-domain, verified 2026-09-06}
}

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