Five9 WebRTC customers need outbound TCP 443 and outbound UDP 1024-65535 for RTP, and all ports opened for RTP must also allow STUN.
Checked 2026-10-02
All ports open for RTP must also allow STUN.
- Vendor
- Five9
- Product
- Five9 Agent Desktop Plus
- 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 WebRTC Customers — Five9 · tier 2 current vendor documentation · TCP/UDP Port Requirements for WebRTC Customers; both rows
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Five9 softphone and station connection problems: source note five9-softphone-troubleshooting-webrtc-ports-stun. WarmTransfer. https://warmtransfer.net/knowledge/claims/five9-softphone-troubleshooting-webrtc-ports-stun
BibTeX
@misc{warmtransfer-claim-five9-softphone-troubleshooting-webrtc-ports-stun,
title = {Troubleshooting Five9 softphone and station connection problems: source note five9-softphone-troubleshooting-webrtc-ports-stun},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/five9-softphone-troubleshooting-webrtc-ports-stun},
note = {Source note five9-softphone-troubleshooting-webrtc-ports-stun, checked 2026-10-02}
}