A new Request for Comments is now available in online RFC libraries. RFC 8285 Title: A General Mechanism for RTP Header Extensions Author: D. Singer, H. Desineni, R. Even, Ed. Status: Standards Track Stream: IETF Date: October 2017 Mailbox: singer@apple.com, h3dnvb@gmail.com, roni.even@huawei.com Pages: 25 Characters: 54893 Obsoletes: RFC 5285 I-D Tag: draft-ietf-avtcore-rfc5285-bis-14.txt URL: https://www.rfc-editor.org/info/rfc8285 DOI: 10.17487/RFC8285 This document provides a general mechanism to use the header extension feature of RTP (the Real-time Transport Protocol). It provides the option to use a small number of small extensions in each RTP packet, where the universe of possible extensions is large and registration is decentralized. The actual extensions in use in a session are signaled in the setup information for that session. This document obsoletes RFC 5285. This document is a product of the Audio/Video Transport Core Maintenance Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC