TCP port 8083 is required by the Five9 Softphone Service on agent workstations, no other process may use it, and an exception is needed when an HTTP proxy is used.
Checked 2026-10-02
Ensure no other processes use this port on agent workstations.
- Vendor
- Five9
- Product
- Five9 Softphone
- Subsystem
- network ports
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- TCP/UDP Port Requirements for Softphone Customers — Five9 · tier 2 current vendor documentation · TCP/UDP Port Requirements for Softphone Customers; row 8083
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Five9 softphone and station connection problems: source note five9-softphone-troubleshooting-softphone-port-8083. WarmTransfer. https://warmtransfer.net/knowledge/claims/five9-softphone-troubleshooting-softphone-port-8083
BibTeX
@misc{warmtransfer-claim-five9-softphone-troubleshooting-softphone-port-8083,
title = {Troubleshooting Five9 softphone and station connection problems: source note five9-softphone-troubleshooting-softphone-port-8083},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/five9-softphone-troubleshooting-softphone-port-8083},
note = {Source note five9-softphone-troubleshooting-softphone-port-8083, checked 2026-10-02}
}