4. The method of claim 3 , wherein the determining step further includes: accessing a first XML document configured for storing user-specific application state and attribute information; and determining whether the first XML document for the corresponding user specifies the presence of the user-specific XML document for the requested prescribed voice application operation.
4. The method of claim 3 , wherein the determining step further includes: accessing a first XML document configured for storing user-specific application state and attribute information; and determining whether the first XML document for the corresponding user specifies the presence of the user-specific XML document for the requested prescribed voice application operation. 7. The method of claim 4 , further comprising: retrieving from the external database an index of the user-specific XML documents in response to an initial HTTP request requesting a login of the corresponding user based on the user identity; and storing the index into the first XML document.