Cisco states that if an organisation does not have the Cisco calling plan then only internal calls are allowed and all other call types are blocked.

Checked 2026-09-16

Vendor
Cisco
Product
Webex Calling
Subsystem
toll fraud
Deployment
not restricted
Region
not restricted
Release range
not restricted
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). Toll fraud prevention and voice security: source note tollfraud-no-calling-plan-blocks-everything-external. WarmTransfer. https://warmtransfer.net/knowledge/claims/tollfraud-no-calling-plan-blocks-everything-external

BibTeX

@misc{warmtransfer-claim-tollfraud-no-calling-plan-blocks-everything-external,
  title  = {Toll fraud prevention and voice security: source note tollfraud-no-calling-plan-blocks-everything-external},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/tollfraud-no-calling-plan-blocks-everything-external},
  note   = {Source note tollfraud-no-calling-plan-blocks-everything-external, checked 2026-09-16}
}

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