Source note · Porting numbers to Microsoft Teams
A manual Port in case in the Phone Number Service Center must include a signed LOA, because Microsoft cannot process a port request without one.
Checked 2026-09-25
Microsoft cannot process a port request without an LOA.
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone - Calling Plans
- Subsystem
- Letter of Authorization
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Contact the Telephone Number Services team — Microsoft · tier 2 current vendor documentation · Create a new case > Case type > Port in
Cite this note
APA
WarmTransfer. (2026, September 25). Porting numbers to Microsoft Teams: source note teams-number-porting-tns-loa-required. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-number-porting-tns-loa-required
BibTeX
@misc{warmtransfer-claim-teams-number-porting-tns-loa-required,
title = {Porting numbers to Microsoft Teams: source note teams-number-porting-tns-loa-required},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-number-porting-tns-loa-required},
note = {Source note teams-number-porting-tns-loa-required, checked 2026-09-25}
}