rfc3680.txt:Jonathan Rosenberg:dynamicsoft:usa:25:mar:2004:UNKNOWN:figure,xml,kwd,seccons,ianacons:draft-ietf-sipping-reg-event:2002-12-12:2002-10-31:6:0:0:35:41:0:2002-5-28:150:draft-rosenberg-sip-reg:2002-10-28:3:2004-04-07:485