rfc5688.txt:Jonathan Rosenberg:skype:usa:7:jan:2010:UNKNOWN:kwd,seccons,ianacons:draft-rosenberg-sip-app-media-tag:2009-09-10:2007-07-09:137:601:15:38:791:4:2007-05-01:0::2007-05-01:68:2010-01-08:123