27. The system of claim 24 , wherein the confidence scoring functionality includes confidence score thresholds that define, for a given set of circumstances, whether to accept, reject, or confirm a given input utterance.
27. The system of claim 24 , wherein the confidence scoring functionality includes confidence score thresholds that define, for a given set of circumstances, whether to accept, reject, or confirm a given input utterance. 28. The system of claim 27 , wherein adjusting the confidence scoring functionality includes updating the confidence score thresholds.