TCP/UDP Port Requirements for PSTN Customers

Publisher

Five9

URL

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

• Five9's port list for PSTN-station customers covers agents that need no RTP connection and contains only TCP web, RMI, download and test ports plus UDP 8090 for voice simulation tests. in context

Cite this source record

APA

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

BibTeX

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