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Audio quality is a path, not a codec myth — Worked example
- Tool. Endpoint test.
- Bypass. VPN off.
- Compare. Internal versus transferred.
- Then. Carrier or PBX.
What usually goes wrong: Opening a carrier ticket for ice_collection_timeout.
Sources and go deeper
- Troubleshoot your network for call quality and disconnect problems - Amazon Connect Customer AWS docs. last checked 2026-10
- Troubleshoot contact flow errors in Amazon Connect | AWS re:Post community. last checked 2026-10
- Troubleshoot Lambda function failures in Amazon Connect | AWS re:Post community. last checked 2026-10
- How Contact Control Panel (CCP) uses WebRTC - Amazon Connect Customer AWS docs. last checked 2026-10
- RFC 5766: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN) | RFC Editor RFC. last checked 2026-10
- WebRTC - Wikipedia Wikipedia. last checked 2026-10