Source note · Troubleshooting number port rejections
If the current carrier rejects a Teams port request, Microsoft directs admins to the Phone Number Service Center (TNS Service Desk) and to update an existing case rather than open a new one.
Checked 2026-10-01
- Vendor
- Microsoft
- Product
- Microsoft Teams Calling Plans
- Subsystem
- number-porting
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Transfer phone numbers to Microsoft Teams — Microsoft · tier 2 current vendor documentation · What happens next
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting number port rejections: source note number-port-rejections-teams-reject-contact-tns-service-desk. WarmTransfer. https://warmtransfer.net/knowledge/claims/number-port-rejections-teams-reject-contact-tns-service-desk
BibTeX
@misc{warmtransfer-claim-number-port-rejections-teams-reject-contact-tns-service-desk,
title = {Troubleshooting number port rejections: source note number-port-rejections-teams-reject-contact-tns-service-desk},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/number-port-rejections-teams-reject-contact-tns-service-desk},
note = {Source note number-port-rejections-teams-reject-contact-tns-service-desk, checked 2026-10-01}
}