For Teams inbound Reverse Number Lookup, Direct Routing numbers can be 3 to 38 digits, an optional extension of 1 to 12 digits can follow ;ext=, and a number assigned with an extension only matches if the inbound dialed number includes that extension.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- inbound routing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Microsoft Teams Dial plans for phone call routing — Microsoft · tier 2 current vendor documentation · Number lookup for inbound calls
Cite this note
APA
WarmTransfer. (2026, September 25). Migrating a Unified CM dial plan to Webex Calling or Teams: source note dial-plan-migration-teams-rnl-formats. WarmTransfer. https://warmtransfer.net/knowledge/claims/dial-plan-migration-teams-rnl-formats
BibTeX
@misc{warmtransfer-claim-dial-plan-migration-teams-rnl-formats,
title = {Migrating a Unified CM dial plan to Webex Calling or Teams: source note dial-plan-migration-teams-rnl-formats},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dial-plan-migration-teams-rnl-formats},
note = {Source note dial-plan-migration-teams-rnl-formats, checked 2026-09-25}
}