Unassigned number treatment checks the called number on both inbound calls to Teams and outbound calls from Teams, so an outbound call to an external number inside a configured range follows the treatment.
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 · Notes section, last two bullets
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-unassigned-outbound-too. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-unassigned-outbound-too
BibTeX
@misc{warmtransfer-claim-cucm-teams-coexistence-unassigned-outbound-too,
title = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-unassigned-outbound-too},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-unassigned-outbound-too},
note = {Source note cucm-teams-coexistence-unassigned-outbound-too, checked 2026-09-25}
}