rfc5627.txt:Jonathan Rosenberg:cisco:usa:39:oct:2009:UNKNOWN:figure,abnf,kwd,seccons,ianacons:draft-ietf-sip-gruu:2007-10-15:2004-05-25:456:676:58:45:1235:14:2003-10-20:82:draft-rosenberg-sip-gruu:2004-01-07:138:2009-10-27:742