+CALURI;ALTID=34;PID=31;PREF=32;MEDIATYPE=text/plain;CALENDARS=FLYING:http://
+ example.com
+CALURI;TYPE=home;ALTID=44;PID=41;MEDIATYPE=text/dryplain;PREF=42;CALENDARS=G
+ ROUNDED:http://example.com/home
+CALURI;TYPE=work;ALTID=54;PID=51;PREF=52;MEDIATYPE=text/stillwetink;CALENDAR
+ S=CANCELLED:http://example.com/business