For Direct Routing issues the customer contacts the SBC vendor first, and the vendor escalates to Microsoft if needed; Microsoft may decline cases that involve non-certified SBCs.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- support
- 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 · 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-support-vendor-first. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-dr-support-vendor-first
BibTeX
@misc{warmtransfer-claim-cucm-teams-coexistence-dr-support-vendor-first,
title = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-dr-support-vendor-first},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-dr-support-vendor-first},
note = {Source note cucm-teams-coexistence-dr-support-vendor-first, checked 2026-09-25}
}