Lumen's documentation states that when a subscription arrives at the NPAC the t1 timer of 9 business hours starts; if it is not matched, a t2 timer of 9 business hours follows, after which the new provider may activate on the due date without concurrence.

Checked 2026-10-02

Vendor
Lumen
Product
Lumen wholesale LNP (port-out)
Subsystem
npac-activation
Deployment
pstn
Region
us
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting calls that fail to ported numbers after cutover: source note post-port-routing-troubleshooting-lumen-t1-t2-timers. WarmTransfer. https://warmtransfer.net/knowledge/claims/post-port-routing-troubleshooting-lumen-t1-t2-timers

BibTeX

@misc{warmtransfer-claim-post-port-routing-troubleshooting-lumen-t1-t2-timers,
  title  = {Troubleshooting calls that fail to ported numbers after cutover: source note post-port-routing-troubleshooting-lumen-t1-t2-timers},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/post-port-routing-troubleshooting-lumen-t1-t2-timers},
  note   = {Source note post-port-routing-troubleshooting-lumen-t1-t2-timers, checked 2026-10-02}
}

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