A new Request for Comments is now available in online RFC libraries. RFC 7255 Title: Using the International Mobile station Equipment Identity (IMEI) Uniform Resource Name (URN) as an Instance ID Author: A. Allen, Ed. Status: Informational Stream: IETF Date: May 2014 Mailbox: aallen@blackberry.com Pages: 9 Characters: 21606 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-allen-dispatch-imei-urn-as-instanceid-13.txt URL: http://www.rfc-editor.org/rfc/rfc7255.txt This specification defines how the Uniform Resource Name (URN) reserved for the Global System for Mobile Communications Association (GSMA) identities and its sub-namespace for the International Mobile station Equipment Identity (IMEI) can be used as an instance-id. Its purpose is to fulfill the requirements for defining how a specific URN needs to be constructed and used in the '+sip.instance' Contact header field parameter for outbound behavior. 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 http://www.ietf.org/mailman/listinfo/ietf-announce http://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see http://www.rfc-editor.org/search For downloading RFCs, see http://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