http://www.rfc-editor.org/rfc/rfc3119.txt
RFC 3119: A More Loss-Tolerant RTP Payload Format for MP3 Audio, R. Finlayson2001-06-01T23:00:00-00:00This document describes a RTP (Real-Time Protocol) payload format for transporting MPEG (Moving Picture Experts Group) 1 or 2, layer III audio (commonly known as "MP3"). This format is an alternative to that described in RFC 2250, and performs better if there is packet loss. [STANDARDS-TRACK]