{"draft":"draft-ietf-sip-target-dialog-03","doc_id":"RFC4538","title":"Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)","authors":["J. Rosenberg"],"format":["ASCII","HTML"],"page_count":"17","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Session Initiation Protocol","abstract":"This specification defines the Target-Dialog header field for the\r\nSession Initiation Protocol (SIP), and the corresponding option tag,\r\ntdialog.  This header field is used in requests that create SIP\r\ndialogs.  It indicates to the recipient that the sender is aware of\r\nan existing dialog with the recipient, either because the sender is\r\non the other side of that dialog, or because it has access to the\r\ndialog identifiers.  The recipient can then authorize the request\r\nbased on this awareness.  [STANDARDS-TRACK]","pub_date":"June 2006","keywords":["tdialog"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4538","errata_url":null}