Moving on-premises-assigned Direct Routing numbers to Operator Connect requires clearing LineURI with Set-CsUser in Skype for Business Server PowerShell. The number is out of service during the migration, so it must be coordinated with the operator.

Checked 2026-09-25

The phone number will be out of service during the migration, so coordinate with your Operator Connect operator before you begin.
Vendor
Microsoft
Product
Microsoft Teams Phone - Operator Connect
Subsystem
hybrid number migration
Deployment
hybrid
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-oc-dr-onprem-outage. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-number-porting-oc-dr-onprem-outage

BibTeX

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

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