Source note · Porting numbers to Microsoft Teams
The losing provider approves a port by issuing a firm order commitment (FOC) and releases the numbers to Microsoft on the FOC date. In rare cases the losing provider can override an FOC it has already sent.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone - Calling Plans
- Subsystem
- number porting
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- What's a port order? - Microsoft Teams — Microsoft · tier 2 current vendor documentation · What happens after you submit a port order request > Approval
Cite this note
APA
WarmTransfer. (2026, September 25). Porting numbers to Microsoft Teams: source note teams-number-porting-foc. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-number-porting-foc
BibTeX
@misc{warmtransfer-claim-teams-number-porting-foc,
title = {Porting numbers to Microsoft Teams: source note teams-number-porting-foc},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-number-porting-foc},
note = {Source note teams-number-porting-foc, checked 2026-09-25}
}