An SBC can be connected to Direct Routing only if the domain portion of its FQDN matches a domain registered in the tenant other than *.onmicrosoft.com, and a subdomain used in the FQDN must itself be registered in the tenant.

Checked 2026-09-30

Vendor
Microsoft
Product
Microsoft Teams Phone Direct Routing
Subsystem
SBC pairing
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). Setting up an Oracle SBC for Teams Direct Routing: source note oracle-sbc-teams-direct-routing-setup-fqdn-domain. WarmTransfer. https://warmtransfer.net/knowledge/claims/oracle-sbc-teams-direct-routing-setup-fqdn-domain

BibTeX

@misc{warmtransfer-claim-oracle-sbc-teams-direct-routing-setup-fqdn-domain,
  title  = {Setting up an Oracle SBC for Teams Direct Routing: source note oracle-sbc-teams-direct-routing-setup-fqdn-domain},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/oracle-sbc-teams-direct-routing-setup-fqdn-domain},
  note   = {Source note oracle-sbc-teams-direct-routing-setup-fqdn-domain, checked 2026-09-30}
}

Read in context