Source note · WebRTC in modern contact centers
Under Genesys Cloud Voice, the WebRTC phone uses UDP 3478 STUN for server-reflexive and relay candidates, and Genesys warns calls will have a high failure rate if it is closed.
Checked 2026-09-24
- Vendor
- Genesys
- Product
- Genesys Cloud WebRTC phone
- Subsystem
- network
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- page updated 2024-11-18
- Checked
- 2026-09-24
Sources
- Ports and services for WebRTC phones under Genesys Cloud Voice — Genesys · tier 2 current vendor documentation · Ports table, WebRTC Signaling UDP/3478 row
Cite this note
APA
WarmTransfer. (2026, September 24). WebRTC in modern contact centers: source note webrtc-deployment-genesys-udp-3478. WarmTransfer. https://warmtransfer.net/knowledge/claims/webrtc-deployment-genesys-udp-3478
BibTeX
@misc{warmtransfer-claim-webrtc-deployment-genesys-udp-3478,
title = {WebRTC in modern contact centers: source note webrtc-deployment-genesys-udp-3478},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webrtc-deployment-genesys-udp-3478},
note = {Source note webrtc-deployment-genesys-udp-3478, checked 2026-09-24}
}