Port requests against the same carrier account are processed one at a time; a second batch from the same account must wait until the first port completes, or the losing carrier rejects the overlapping requests.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams Calling Plans
Subsystem
number porting
Deployment
multi-tenant
Region
calling plan markets
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-port-serial-per-account. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-port-serial-per-account

BibTeX

@misc{warmtransfer-claim-cucm-teams-coexistence-port-serial-per-account,
  title  = {Unified CM and Teams Phone coexistence during a migration: source note cucm-teams-coexistence-port-serial-per-account},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-teams-coexistence-port-serial-per-account},
  note   = {Source note cucm-teams-coexistence-port-serial-per-account, checked 2026-09-25}
}

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