Direct Routing certification applies to specific SBC firmware versions; firmware higher than the documented version is supported only while the major.minor version stays the same.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- SBC certification
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Session Border Controllers certified for Direct Routing - Microsoft Teams — Microsoft · tier 2 current vendor documentation · Introduction, Note on certification
Cite this note
APA
WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-cert-firmware-scope. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-cert-firmware-scope
BibTeX
@misc{warmtransfer-claim-cucm-teams-hybrid-build-cert-firmware-scope,
title = {Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-cert-firmware-scope},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-cert-firmware-scope},
note = {Source note cucm-teams-hybrid-build-cert-firmware-scope, checked 2026-09-24}
}