rfc4497.txt:Patrick Mourot:alcatel:france:62:may:2006:UNKNOWN:figure,kwd,seccons:draft-ietf-sipping-qsig2sip:2005-11-03:2004-01-23:623:0:3:19:645:0:2002-4-1:275:draft-elwell-sipping-qsig2sip:2003-1-1:387:2006-05-17:199