Inbound Direct Routing calls reach a Teams user by reverse number lookup on the called number, and an inbound translation rule on the SBC can rewrite a called number that does not match the format assigned to users.

Checked 2026-09-24

Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
number translation
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-tr-inbound-rnl. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-tr-inbound-rnl

BibTeX

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

Read in context