Source note · WebRTC in modern contact centers
AWS's WebRTC best-practices text tells customers to allow-list incoming UDP traffic on port 3478, while the networking page lists 3478 only as an outbound rule and says no inbound client port is needed.
disputed · Checked 2026-09-24
make sure you have allow-listed incoming UDP traffic on port 3478 (SEND/RECEIVE)
- Vendor
- Amazon Web Services
- Product
- Amazon Connect
- Subsystem
- network
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Status
- disputed
- Checked
- 2026-09-24
Sources
- How Contact Control Panel (CCP) uses WebRTC — Amazon Web Services · tier 2 current vendor documentation · Best practices, second bullet
Cite this note
APA
WarmTransfer. (2026, September 24). WebRTC in modern contact centers: source note webrtc-deployment-aws-3478-incoming-wording. WarmTransfer. https://warmtransfer.net/knowledge/claims/webrtc-deployment-aws-3478-incoming-wording
BibTeX
@misc{warmtransfer-claim-webrtc-deployment-aws-3478-incoming-wording,
title = {WebRTC in modern contact centers: source note webrtc-deployment-aws-3478-incoming-wording},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webrtc-deployment-aws-3478-incoming-wording},
note = {Source note webrtc-deployment-aws-3478-incoming-wording, checked 2026-09-24}
}