Source note · CUCM to Teams Phone migration
Microsoft requires that Direct Routing issues be raised with the SBC vendor's customer support first, with the vendor escalating to Microsoft through internal channels, and customers must present an SBC vendor investigation report when opening a Microsoft support request.
Checked 2026-09-16
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- support model
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
Sources
- Configure Direct Routing — Microsoft · tier 2 current vendor documentation · Configure Direct Routing > Support Boundaries
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Teams Phone migration: source note cucm-to-teams-phone-sbc-vendor-first-support. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-sbc-vendor-first-support
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-sbc-vendor-first-support,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-sbc-vendor-first-support},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-sbc-vendor-first-support},
note = {Source note cucm-to-teams-phone-sbc-vendor-first-support, checked 2026-09-16}
}