rfc4780.txt:Joon Maeng:rr:usa:79:apr:2007:UNKNOWN:kwd,asn1,seccons,ianacons:draft-ietf-sip-mib:2006-09-21:2005-02-23:21:28:373:151:573:3:2000-03-09:0::2000-03-09:1809:2007-05-02:226