2. A system according to claim 1 , further comprising: an identification module configured to identify the related utterances based on one or more of a similarity of characteristics of the call and the other calls and a range of similarity shared between the transcribed value for the at least one utterance and other transcribed values for the utterances from the other calls.
3. A system according to claim 2 , further comprising: a selection module configured to select a predetermined number of the related utterances within a predetermined time from identifying the at least one utterance associated with one such transcribed value that fails to satisfy the accuracy threshold.