A new Request for Comments is now available in online RFC libraries. RFC 7572 Title: Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Instant Messaging Author: P. Saint-Andre, A. Houri, J. Hildebrand Status: Standards Track Stream: IETF Date: June 2015 Mailbox: peter@andyet.com, avshalom@il.ibm.com, jhildebr@cisco.com Pages: 13 Characters: 29027 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-stox-im-13.txt URL: https://www.rfc-editor.org/info/rfc7572 DOI: http://dx.doi.org/10.17487/RFC7572 This document defines a bidirectional protocol mapping for the exchange of single instant messages between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP). This document is a product of the SIP-TO-XMPP 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/rfc.html 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