There are also several additional reserved room names:
"_MAIL_" goes to the user's inbox (i.e. the Mail> room).
+ "_TRASH_" goes to the user's personal trashcan room (trash folder).
"_BITBUCKET_" goes to a room that has been chosen for messages without a home.
"_CALENDAR_" goes to the user's primary personal calendar.
"_CONTACTS_" goes to the user's primary personal address book.