A system and method of the present invention for determining and
maintaining dialog focus in a conversational speech system includes
presenting a command associated with an application to a dialog manager.
The application associated with the command is unknown to the dialog
manager at the time it is made. The dialog manager determines a current
context of the command by reviewing a multi-modal history of events. At
least one method is determined responsive to the command based on the
current context. The at least one method is executed responsive to the
command associated with the application.