Microsoft names account information that does not exactly match the carrier's records (authorized person, address, account number, BTN) as the most common cause of port errors and delays.

Checked 2026-09-25

Mismatched information is the most common cause of errors and delays to your port order.
Vendor
Microsoft
Product
Microsoft Teams Phone - Calling Plans
Subsystem
port rejection
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Porting numbers to Microsoft Teams: source note teams-number-porting-mismatch-top-cause. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-number-porting-mismatch-top-cause

BibTeX

@misc{warmtransfer-claim-teams-number-porting-mismatch-top-cause,
  title  = {Porting numbers to Microsoft Teams: source note teams-number-porting-mismatch-top-cause},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-number-porting-mismatch-top-cause},
  note   = {Source note teams-number-porting-mismatch-top-cause, checked 2026-09-25}
}

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