TCP/UDP Port Requirements for Gateway Customers

Publisher

Five9

URL

https://documentation.five9.com/bundle/technical-reqs/page/technical-reqs/network/other-VoIP-services/tcp-udp-port-reqs-for-gateway-customers.htm

Published

2026-09-23

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Five9 proprietary documentation; no-redistribution; short excerpts and locators only

Source notes citing this source

• For gateway-station customers, Five9 lists UDP 5060 inbound as the default SIP port toward the agent endpoint, with the actual port depending on the customer's SIP endpoint. in context
• Gateway-station customers must allow outbound SIP to the Five9 SIP proxy on UDP 5080 and SIP over TLS on TCP 5081. in context
• Gateway-station customers must allow outbound RTP on UDP 1024-65535 and, without a stateful firewall, must add inbound rules for the return traffic. in context

Cite this source record

APA

WarmTransfer. (2026, September 23). TCP/UDP Port Requirements for Gateway Customers. WarmTransfer. https://warmtransfer.net/knowledge/sources/five9-docs-techreq-ports-gateway

BibTeX

@misc{warmtransfer-five9-docs-techreq-ports-gateway,
  title  = {TCP/UDP Port Requirements for Gateway Customers},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/five9-docs-techreq-ports-gateway},
  note   = {Five9, accessed 2026-09-25}
}