When a called number carries an extension (for example +1425XXXXXXX;ext=YYY), Teams voice route number patterns are matched only against the number without the extension.

Checked 2026-09-23

Vendor
Microsoft
Product
Teams Phone Direct Routing
Subsystem
voice routing
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-23
Checked
2026-09-23

Sources

Cite this note

APA

WarmTransfer. (2026, September 23). Enterprise dial plan design and normalization: source note dial-plan-design-teams-route-ext-ignored. WarmTransfer. https://warmtransfer.net/knowledge/claims/dial-plan-design-teams-route-ext-ignored

BibTeX

@misc{warmtransfer-claim-dial-plan-design-teams-route-ext-ignored,
  title  = {Enterprise dial plan design and normalization: source note dial-plan-design-teams-route-ext-ignored},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/dial-plan-design-teams-route-ext-ignored},
  note   = {Source note dial-plan-design-teams-route-ext-ignored, checked 2026-09-23}
}

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