A new Request for Comments is now available in online RFC libraries. RFC 8496 Title: P-Charge-Info: A Private Header Field (P-Header) Extension to the Session Initiation Protocol (SIP) Author: D. York, T. Asveren Status: Informational Stream: IETF Date: October 2018 Mailbox: dyork@lodestar2.com, tasveren@rbbn.com Pages: 11 Characters: 24002 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-york-p-charge-info-08.txt URL: https://www.rfc-editor.org/info/rfc8496 DOI: 10.17487/RFC8496 This text documents the current usage of P-Charge-Info, an existing Session Initiation Protocol (SIP) private header field (P-Header) used to convey billing information about the party to be charged. This P-Header is currently used in production by several equipment vendors and carriers and has been in use since at least 2007. This document details the registration of this header field with IANA. INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. 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