Microsoft states it does not currently support originating CNAM for Teams calls in countries or regions other than the United States.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams Phone
Subsystem
CNAM
Deployment
multi-tenant
Region
not restricted
Release range
page dated 2025-04-02; read 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-teams-cnam-us-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-teams-cnam-us-only

BibTeX

@misc{warmtransfer-claim-caller-id-presentation-problems-teams-cnam-us-only,
  title  = {Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-teams-cnam-us-only},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-teams-cnam-us-only},
  note   = {Source note caller-id-presentation-problems-teams-cnam-us-only, checked 2026-09-25}
}

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