MDN documents that getUserMedia rejects with NotFoundError when no media track of the requested type satisfies the constraints, and with NotReadableError when permission was granted but a hardware error at the operating system, browser or page level prevented access to the device.
Checked 2026-09-30
- Vendor
- browser-neutral
- Product
- Web platform Media Capture API
- Subsystem
- getUserMedia exceptions
- Deployment
- browser
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- MediaDevices: getUserMedia() method — MDN Web Docs (Mozilla and contributors) · tier 5 independent technical research · Section 'Exceptions', terms 'NotFoundError DOMException' and 'NotReadableError DOMException'
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting browser softphone audio in cloud contact centers: source note browser-softphone-audio-troubleshooting-mdn-notfound-read. WarmTransfer. https://warmtransfer.net/knowledge/claims/browser-softphone-audio-troubleshooting-mdn-notfound-read
BibTeX
@misc{warmtransfer-claim-browser-softphone-audio-troubleshooting-mdn-notfound-read,
title = {Troubleshooting browser softphone audio in cloud contact centers: source note browser-softphone-audio-troubleshooting-mdn-notfound-read},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/browser-softphone-audio-troubleshooting-mdn-notfound-read},
note = {Source note browser-softphone-audio-troubleshooting-mdn-notfound-read, checked 2026-09-30}
}