{"draft":"draft-saintandre-impp-call-info-04","doc_id":"RFC6993","title":"Instant Messaging and Presence Purpose for the Call-Info Header Field in the Session Initiation Protocol (SIP)","authors":["P. Saint-Andre"],"format":["ASCII","HTML"],"page_count":"5","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"IETF - NON WORKING GROUP","abstract":"This document defines and registers a value of \"impp\" \r\n(\"instant messaging and presence protocol\") for the \"purpose\" \r\nheader field parameter of the Call-Info header field in the \r\nSession Initiation Protocol (SIP).","pub_date":"July 2013","keywords":["SIP","Call-Info","header field","Instant Messaging","Presence"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC6993","errata_url":null}