rfc5922.txt:Alan S.A. Jeffrey:alcatel-lucent:usa:17:jun:2010:UNKNOWN:figure,kwd,seccons:draft-ietf-sip-domain-certs:2010-05-10:2009-04-08:326:0:44:27:397:4:2006-04-05:578:draft-gurbani-sip-domain-certs:2007-11-08:520:2010-06-23:43