Microsoft lists Cisco Unified Border Element as certified for Direct Routing, with and without media bypass, on ISR 1000, ISR 4000, CSR 1000V, ASR 1000 and Catalyst 8000 Edge platforms, supported from IOS XE 17.2.1r (17.3.2 on Catalyst 8000) with 17.6.1a recommended (17.3.3 on CSR 1000V).
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 · Certified SBC vendors table, Cisco rows
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-cube-listed. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-cert-cube-listed
BibTeX
@misc{warmtransfer-claim-cucm-teams-hybrid-build-cert-cube-listed,
title = {Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-cert-cube-listed},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-cert-cube-listed},
note = {Source note cucm-teams-hybrid-build-cert-cube-listed, checked 2026-09-24}
}