https://app.knowbase.one/vault/rfc/docid/6594
RFC6064: SDP and RTSP Extensions Defined for 3GPP Packet-Switched Streaming Service and Multimedia Broadcast/Multicast Service
Internet Engineering Task Force (IETF) M. Westerlund Request for Comments: 6064 P. Frojdh Category: Informational Ericsson ISSN: 2070-1721 January 2011 ...