The Five9 Connectivity Assessment Test needs outbound TCP 80 and 443, TCP/UDP 5060 for SIP simulation, TCP 8080-8081, UDP 8090 for capacity and bandwidth testing, TCP 20000-20001 for speed tests and UDP 20000-20001 for VoIP tests.
Checked 2026-10-02
- Vendor
- Five9
- Product
- Five9 Virtual Contact Center
- Subsystem
- network assessment
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- TCP and UDP Ports for Connectivity Assessment Test — Five9 · tier 2 current vendor documentation · TCP and UDP Ports for Connectivity Assessment Test; port table
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Five9 softphone and station connection problems: source note five9-softphone-troubleshooting-cat-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/five9-softphone-troubleshooting-cat-ports
BibTeX
@misc{warmtransfer-claim-five9-softphone-troubleshooting-cat-ports,
title = {Troubleshooting Five9 softphone and station connection problems: source note five9-softphone-troubleshooting-cat-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/five9-softphone-troubleshooting-cat-ports},
note = {Source note five9-softphone-troubleshooting-cat-ports, checked 2026-10-02}
}