Direct Routing requires users to be in Teams Only mode so that incoming calls land in the Teams client; this is done by assigning the UpgradeToTeams instance of TeamsUpgradePolicy.

Checked 2026-09-24

Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
user enablement
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

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-eu-teams-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-eu-teams-only

BibTeX

@misc{warmtransfer-claim-cucm-teams-hybrid-build-eu-teams-only,
  title  = {Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-eu-teams-only},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-eu-teams-only},
  note   = {Source note cucm-teams-hybrid-build-eu-teams-only, checked 2026-09-24}
}

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