Source note · Session border controller selection and certification
The Direct Routing SBC FQDN must belong to a verified Microsoft 365 domain in the tenant, and the default *.onmicrosoft.com domain cannot be used.
Checked 2026-10-14
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- Direct Routing planning
- Deployment
- direct-routing
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · 'SBC domain names' section
Cite this note
APA
WarmTransfer. (2026, October 14). Session border controller selection and certification: source note sbc-selection-msdr-fqdn-verified-domain. WarmTransfer. https://warmtransfer.net/knowledge/claims/sbc-selection-msdr-fqdn-verified-domain
BibTeX
@misc{warmtransfer-claim-sbc-selection-msdr-fqdn-verified-domain,
title = {Session border controller selection and certification: source note sbc-selection-msdr-fqdn-verified-domain},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sbc-selection-msdr-fqdn-verified-domain},
note = {Source note sbc-selection-msdr-fqdn-verified-domain, checked 2026-10-14}
}