Teams unassigned number routing can send calls for unassigned numbers, one at a time or as a regex range, to a user, a resource account for an auto attendant or call queue, or an announcement; Microsoft advises range rules over thousands of single-number rules.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- unassigned number routing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Configure routing options for unassigned phone numbers — Microsoft · tier 2 current vendor documentation · Introductory paragraphs; Notes section, first bullet
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-unassigned-targets. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-unassigned-targets
BibTeX
@misc{warmtransfer-claim-cucm-teams-coexistence-unassigned-targets,
title = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-unassigned-targets},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-unassigned-targets},
note = {Source note cucm-teams-coexistence-unassigned-targets, checked 2026-09-25}
}