rfc6404.txt:Eric Chen:ntt:japan:21:nov:2011:UNKNOWN:kwd,seccons:draft-ietf-speermint-voipthreats:2011-09-12:2010-09-29:91:0:234:23:348:4:2006-08-30:807:draft-niccolini-speermint-voipthreats:2008-11-17:682:2011-11-07:55