Cisco lists 3 cases where changing a location's PSTN connection to Cisco PSTN is not supported: the Japan region, a location integrated with IntelePeer, and a Dedicated Instance location.

Checked 2026-09-15

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-cisco-pstn-migration-three-exclusions. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxpstn-cisco-pstn-migration-three-exclusions

BibTeX

@misc{warmtransfer-claim-wxpstn-cisco-pstn-migration-three-exclusions,
  title  = {Webex Calling PSTN options and selection: source note wxpstn-cisco-pstn-migration-three-exclusions},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxpstn-cisco-pstn-migration-three-exclusions},
  note   = {Source note wxpstn-cisco-pstn-migration-three-exclusions, checked 2026-09-15}
}

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