Each Webex Calling location needs PSTN connectivity set up, chosen from Cisco PSTN, Cloud Connected PSTN or Premises-based PSTN (Local Gateway).

Checked 2026-09-30

Vendor
Cisco
Product
Webex Calling
Subsystem
PSTN connection
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Troubleshooting outbound call failures in Webex Calling: source note webex-calling-outbound-call-failures-pstn-options. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-outbound-call-failures-pstn-options

BibTeX

@misc{warmtransfer-claim-webex-calling-outbound-call-failures-pstn-options,
  title  = {Troubleshooting outbound call failures in Webex Calling: source note webex-calling-outbound-call-failures-pstn-options},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-outbound-call-failures-pstn-options},
  note   = {Source note webex-calling-outbound-call-failures-pstn-options, checked 2026-09-30}
}

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