rfc5031.txt:Henning Schulzrinne:columbia:usa:15:jan:2008:UNKNOWN:abnf,kwd,seccons,ianacons:draft-ietf-ecrit-service-urn:2007-08-21:2006-11-05:205:0:66:20:291:2:2001-7-13:1679:draft-schulzrinne-sipping-sos:2006-02-17:258:2008-01-09:143