AWS says firewalls, proxies and NAT in the agent path must allow UDP 3478 for media, TCP 443, and WebSocket traffic for the Amazon Connect softphone.
Checked 2026-09-30
- Vendor
- Amazon Web Services
- Product
- Amazon Connect
- Subsystem
- agent network
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Troubleshoot audio quality issues in Connect Customer — Amazon Web Services · tier 2 current vendor documentation · Step 5: Resolve agent-side issues, 'Network (path 3)', Firewall/proxy/NAT bullet
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting browser softphone audio in cloud contact centers: source note browser-softphone-audio-troubleshooting-aws-fw-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/browser-softphone-audio-troubleshooting-aws-fw-ports
BibTeX
@misc{warmtransfer-claim-browser-softphone-audio-troubleshooting-aws-fw-ports,
title = {Troubleshooting browser softphone audio in cloud contact centers: source note browser-softphone-audio-troubleshooting-aws-fw-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/browser-softphone-audio-troubleshooting-aws-fw-ports},
note = {Source note browser-softphone-audio-troubleshooting-aws-fw-ports, checked 2026-09-30}
}