Gateway-station customers must allow outbound SIP to the Five9 SIP proxy on UDP 5080 and SIP over TLS on TCP 5081.

Checked 2026-09-25

Vendor
Five9
Product
Five9 Virtual Contact Center
Subsystem
network
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Connecting Unified CM to Five9: source note cucm-with-five9-gateway-proxy-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-with-five9-gateway-proxy-ports

BibTeX

@misc{warmtransfer-claim-cucm-with-five9-gateway-proxy-ports,
  title  = {Connecting Unified CM to Five9: source note cucm-with-five9-gateway-proxy-ports},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-with-five9-gateway-proxy-ports},
  note   = {Source note cucm-with-five9-gateway-proxy-ports, checked 2026-09-25}
}

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