4. The system of claim 3 , wherein the recognizer is further operable to: provide, to the interceptor, the save indication in response to the detected utterance.
3. The system of claim 1 , wherein the interceptor is further operable to: temporarily store, in short term storage, each call of the plurality of calls; move, from the short term storage to long term storage, those calls of the plurality of calls for which a save indication is received from the recognizer; and delete, from the short term storage, those calls of the plurality of calls for which a delete indication is received from the recognizer.