{"draft":"draft-ietf-sip-gruu-15","doc_id":"RFC5627","title":"Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP)","authors":["J. Rosenberg"],"format":["ASCII","HTML"],"page_count":"40","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Session Initiation Protocol","abstract":"Several applications of the Session Initiation Protocol (SIP) require\r\na user agent (UA) to construct and distribute a URI that can be used\r\nby anyone on the Internet to route a call to that specific UA\r\ninstance.  A URI that routes to a specific UA instance is called a\r\nGlobally Routable UA URI (GRUU).  This document describes an\r\nextension to SIP for obtaining a GRUU from a registrar and for\r\ncommunicating a GRUU to a peer within a dialog.  [STANDARDS-TRACK]","pub_date":"October 2009","keywords":["[--------]","SIP","NAT","outbound","gruu","registration","traversal"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC5627","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc5627"}