Microsoft attributes inconsistent CNAM to intermediate or terminating carriers delaying refresh of authoritative CNAM databases, as in the United States, and to individual carrier practice where no such database exists.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams Phone
Subsystem
CNAM
Deployment
multi-tenant
Region
not restricted
Release range
current as of 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-db-refresh. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-teams-cnam-db-refresh

BibTeX

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

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