To avoid double normalization, Microsoft recommends that Direct Routing customers normalize numbers to a leading + with dial plans and, if the SBC needs another format, remove the + with a route-based translation rule on the SBC.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- number translation
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Translate phone numbers for Direct Routing — Microsoft · tier 2 current vendor documentation · Route-based number translations - for outbound calls, Note
Cite this note
APA
WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-tr-normalize-then-strip. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-tr-normalize-then-strip
BibTeX
@misc{warmtransfer-claim-cucm-teams-hybrid-build-tr-normalize-then-strip,
title = {Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-tr-normalize-then-strip},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-tr-normalize-then-strip},
note = {Source note cucm-teams-hybrid-build-tr-normalize-then-strip, checked 2026-09-24}
}