A second voice route with the same number pattern and a lower priority (higher priority number) acts as a backup: it is tried only when none of the SBCs in the higher-priority route are available, and if no SBC in any matching route is available the call is dropped.

Checked 2026-09-30

Vendor
Microsoft
Product
Microsoft Teams Phone
Subsystem
voice-route
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up Teams voice routing policies and dial plans: source note teams-voice-routing-setup-backup-route. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-voice-routing-setup-backup-route

BibTeX

@misc{warmtransfer-claim-teams-voice-routing-setup-backup-route,
  title  = {Setting up Teams voice routing policies and dial plans: source note teams-voice-routing-setup-backup-route},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-voice-routing-setup-backup-route},
  note   = {Source note teams-voice-routing-setup-backup-route, checked 2026-09-30}
}

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