https://app.knowbase.one/vault/rfc/docid/7031
RFC6464: A Real-time Transport Protocol (RTP) Header Extension for Client-to-Mixer Audio Level Indication
Internet Engineering Task Force (IETF) J. Lennox, Ed. Request for Comments: 6464 Vidyo Category: Standards Track E. Ivov ISSN: 2070-1721 Jitsi ...