Source note · Codec selection and bandwidth planning
WebRTC endpoints must support RFC 3389 comfort noise for G.711 and for other codecs without built-in CN. Using RFC 3389 CN with Opus is NOT RECOMMENDED.
Checked 2026-09-24
- Vendor
- IETF
- Product
- WebRTC
- Subsystem
- comfort noise
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 7874 (May 2016)
- Checked
- 2026-09-24
Sources
- RFC 7874: WebRTC Audio Codec and Processing Requirements — IETF / RFC Editor · tier 1 standards and regulators · Section 3 (Codec Requirements), comfort noise paragraph
Cite this note
APA
WarmTransfer. (2026, September 24). Codec selection and bandwidth planning: source note bandwidth-codec-planning-webrtc-cn-g711. WarmTransfer. https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-webrtc-cn-g711
BibTeX
@misc{warmtransfer-claim-bandwidth-codec-planning-webrtc-cn-g711,
title = {Codec selection and bandwidth planning: source note bandwidth-codec-planning-webrtc-cn-g711},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-webrtc-cn-g711},
note = {Source note bandwidth-codec-planning-webrtc-cn-g711, checked 2026-09-24}
}