For Direct Routing, a user's number can be 3 to 38 digits without common symbols, whereas Calling Plan and Operator Connect numbers are E.164.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- number assignment
- 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 section, Number bullet
Cite this note
APA
WarmTransfer. (2026, September 25). Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-dr-number-length. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-dr-number-length
BibTeX
@misc{warmtransfer-claim-cucm-teams-coexistence-dr-number-length,
title = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-dr-number-length},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-dr-number-length},
note = {Source note cucm-teams-coexistence-dr-number-length, checked 2026-09-25}
}