Direct Routing requires a Microsoft-certified Session Border Controller, and Microsoft supports Teams Phone with Direct Routing only when certified SBCs are used.
Checked 2026-09-25
Microsoft supports Teams Phone with Direct Routing only when certified SBCs are used.
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- SBC certification
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Infrastructure requirements table (Session Border Controller row); Support boundaries section
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-dr-certified-sbc-required. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-dr-certified-sbc-required
BibTeX
@misc{warmtransfer-claim-cucm-teams-coexistence-dr-certified-sbc-required,
title = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-dr-certified-sbc-required},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-dr-certified-sbc-required},
note = {Source note cucm-teams-coexistence-dr-certified-sbc-required, checked 2026-09-25}
}