Source note · Microsoft teams phone
Direct Routing requires a Microsoft-certified SBC, PSTN trunks to it, users homed online, a public IP, an SBC FQDN in a verified tenant domain (not *.onmicrosoft.com) with public DNS, and a publicly trusted TLS certificate.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- Direct Routing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Plan Direct Routing, section 'Infrastructure requirements' table and section 'SBC domain names'
Cite this note
APA
WarmTransfer. (2026, September 24). Microsoft teams phone: source note microsoft-teams-phone-dr-infrastructure. WarmTransfer. https://warmtransfer.net/knowledge/claims/microsoft-teams-phone-dr-infrastructure
BibTeX
@misc{warmtransfer-claim-microsoft-teams-phone-dr-infrastructure,
title = {Microsoft teams phone: source note microsoft-teams-phone-dr-infrastructure},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/microsoft-teams-phone-dr-infrastructure},
note = {Source note microsoft-teams-phone-dr-infrastructure, checked 2026-09-24}
}