The design guidance presents three PSTN connectivity options for Webex Calling: Cisco Calling Plans, Cloud Connected PSTN providers, and on-premises PSTN through a Local Gateway.

Checked 2026-09-16

Vendor
Cisco
Product
not restricted
Subsystem
Unified CM to Webex Calling migration
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-16
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-design-pstn-three-options. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-design-pstn-three-options

BibTeX

@misc{warmtransfer-claim-ucm-wxc-design-pstn-three-options,
  title  = {CUCM to Webex Calling migration: source note ucm-wxc-design-pstn-three-options},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/ucm-wxc-design-pstn-three-options},
  note   = {Source note ucm-wxc-design-pstn-three-options, checked 2026-09-16}
}

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