While a location is undergoing a PSTN connection transition its numbers cannot be added, deleted, or moved in or out, while the existing numbers keep working and can still be assigned and unassigned.

Checked 2026-09-15

you can’t make any number management change for a location that’s undergoing a PSTN connection transition. But the existing numbers remain functional and you can still assign or unassign numbers to the location.
Vendor
Cisco
Product
Webex Calling
Subsystem
Cisco Calling Plan
Deployment
not restricted
Region
not restricted
Release range
not restricted
Checked
2026-09-15

Sources

Cite this note

APA

WarmTransfer. (2026, September 15). Webex Calling PSTN options and selection: source note wxpstn-number-management-frozen-during-a-connection-change. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxpstn-number-management-frozen-during-a-connection-change

BibTeX

@misc{warmtransfer-claim-wxpstn-number-management-frozen-during-a-connection-change,
  title  = {Webex Calling PSTN options and selection: source note wxpstn-number-management-frozen-during-a-connection-change},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxpstn-number-management-frozen-during-a-connection-change},
  note   = {Source note wxpstn-number-management-frozen-during-a-connection-change, checked 2026-09-15}
}

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