Source note · CUCM to Teams Phone migration
The billing telephone number given on a port request must match what the current service provider has on file and any account freeze must be removed, otherwise the port request is rejected after submission.
Checked 2026-09-21
- Vendor
- Microsoft
- Product
- Teams Phone Calling Plan
- Subsystem
- number-porting
- Deployment
- multi-tenant
- Region
- north-america
- Release range
- current as of 2026-09-21
- Checked
- 2026-09-21
Sources
- Transfer phone numbers to Microsoft Teams — Microsoft · tier 2 current vendor documentation · Porting wizard - New (U.S. & Canada) > Billing telephone number (BTN)
Cite this note
APA
WarmTransfer. (2026, September 21). CUCM to Teams Phone migration: source note cucm-to-teams-phone-port-btn-must-match. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-port-btn-must-match
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-port-btn-must-match,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-port-btn-must-match},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-port-btn-must-match},
note = {Source note cucm-to-teams-phone-port-btn-must-match, checked 2026-09-21}
}