Genesys warns against enabling PBX passthrough on trunks with PSTN access because it creates a high risk of toll fraud; allowing all addresses in SIP Access Control is also flagged as a security risk.

Checked 2026-09-25

Vendor
Genesys
Product
Genesys Cloud
Subsystem
SIP access control
Deployment
multi-tenant, hybrid
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Troubleshooting Genesys Cloud BYOC trunks: source note genesys-byoc-troubleshooting-pbx-passthrough-risk. WarmTransfer. https://warmtransfer.net/knowledge/claims/genesys-byoc-troubleshooting-pbx-passthrough-risk

BibTeX

@misc{warmtransfer-claim-genesys-byoc-troubleshooting-pbx-passthrough-risk,
  title  = {Troubleshooting Genesys Cloud BYOC trunks: source note genesys-byoc-troubleshooting-pbx-passthrough-risk},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/genesys-byoc-troubleshooting-pbx-passthrough-risk},
  note   = {Source note genesys-byoc-troubleshooting-pbx-passthrough-risk, checked 2026-09-25}
}

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