5. The system of claim 1 , wherein the first characteristic represents the detection of a spoken phone number during the monitored telephone conversation, and wherein the second characteristic represents a gap in speech during the monitored telephone conversation.
5. The system of claim 1 , wherein the first characteristic represents the detection of a spoken phone number during the monitored telephone conversation, and wherein the second characteristic represents a gap in speech during the monitored telephone conversation. 6. The system of claim 5 , wherein a value of the second score increases according to a proximity of the second characteristic to the first characteristic within the monitored telephone conversation.