7. The mobile device of claim 1 wherein the dynamic grammar includes a plurality of entries in one or more dictionary and phrase tables that are dynamically updated based on a history of a current dialog and one or more prior dialogs.
7. The mobile device of claim 1 wherein the dynamic grammar includes a plurality of entries in one or more dictionary and phrase tables that are dynamically updated based on a history of a current dialog and one or more prior dialogs. 8. The mobile device of claim 7 , further comprising a misrecognition engine configured to dynamically update the plurality of entries in the dynamic grammar in response to one or more misrecognized or unrecognized events in one or more of the current dialog or the prior dialogs.