Source note · Number porting and LNP workflows
When numbers move from Direct Routing or Operator Connect into Calling Plans, preassignment is not allowed; in the US and Canada existing assignments can be kept, while elsewhere numbers arrive unassigned.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone - Microsoft Calling Plans
- Subsystem
- port-in
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Transfer phone numbers to Microsoft Teams — Microsoft · tier 2 current vendor documentation · port order status table, row 'Approved (FOCAccepted)'
Cite this note
APA
WarmTransfer. (2026, September 24). Number porting and LNP workflows: source note number-porting-ms-dr-oc-no-preassignment. WarmTransfer. https://warmtransfer.net/knowledge/claims/number-porting-ms-dr-oc-no-preassignment
BibTeX
@misc{warmtransfer-claim-number-porting-ms-dr-oc-no-preassignment,
title = {Number porting and LNP workflows: source note number-porting-ms-dr-oc-no-preassignment},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/number-porting-ms-dr-oc-no-preassignment},
note = {Source note number-porting-ms-dr-oc-no-preassignment, checked 2026-09-24}
}