Microsoft recommends that every Teams normalization rule produce a number starting with +, because output without + is normalized again by tenant and regional rules; Direct Routing customers can strip the + later with trunk translation rules.
Checked 2026-09-25
To avoid double normalization, it's recommended that all normalization rules result in numbers starting with a "+".
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- dial plan
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Create and manage dial plans — Microsoft · tier 2 current vendor documentation · Using the Teams admin center; Create a dial plan, step 4 note
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-norm-plus-output. WarmTransfer. https://warmtransfer.net/knowledge/claims/dial-plan-migration-teams-norm-plus-output
BibTeX
@misc{warmtransfer-claim-dial-plan-migration-teams-norm-plus-output,
title = {Migrating a Unified CM dial plan to Webex Calling or Teams: source note dial-plan-migration-teams-norm-plus-output},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dial-plan-migration-teams-norm-plus-output},
note = {Source note dial-plan-migration-teams-norm-plus-output, checked 2026-09-25}
}