12. A method comprising: recording to a file, by a data-processing system, an utterance made by a caller in response to a first event in a voice-response system; storing the file in a database, wherein the file is associated with a link that comprises an association between the first event and a second event in the voice-response system, and wherein the second event occurred in response to the utterance; receiving at the database a first signal that indicates the link and a telephone number of the caller; in response to the receipt of the first signal, retrieving from the database those files that are associated with the link and with the telephone number, wherein the utterance is associated with selected elements of a call that are of interest; and playing the utterance to a user.
12. A method comprising: recording to a file, by a data-processing system, an utterance made by a caller in response to a first event in a voice-response system; storing the file in a database, wherein the file is associated with a link that comprises an association between the first event and a second event in the voice-response system, and wherein the second event occurred in response to the utterance; receiving at the database a first signal that indicates the link and a telephone number of the caller; in response to the receipt of the first signal, retrieving from the database those files that are associated with the link and with the telephone number, wherein the utterance is associated with selected elements of a call that are of interest; and playing the utterance to a user. 17. The method of claim 12 further comprising: storing in the database an association between the file and a datum; receiving at the database a first signal that indicates the datum; and in response to the receipt of the first signal, retrieving from the database the files that are associated with the datum.