Source note · Teams Phone Direct Routing and SBC certification
If the SBC FQDN uses a subdomain such as sbc.service.contoso.com, that subdomain (service.contoso.com) must itself be registered in the tenant before the SBC is paired.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- sbc-fqdn
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-23
- Checked
- 2026-09-23
Sources
- Connect your Session Border Controller (SBC) to Direct Routing — Microsoft · tier 2 current vendor documentation · section 'Use the Microsoft Teams admin center', step 3
Cite this note
APA
WarmTransfer. (2026, September 23). Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-subdomain-registration. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-subdomain-registration
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-subdomain-registration,
title = {Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-subdomain-registration},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-subdomain-registration},
note = {Source note teams-direct-routing-subdomain-registration, checked 2026-09-23}
}