7. A non-transitory, computer-readable medium comprising computer-executable instructions when executed by at least one computer processor cause the at least one computer processor to: listen in on audio of a telephone call involving a party once the telephone call has been placed on hold to detect an event indicating to offer a callback to the party, the event comprising at least one of a word spoken by the party, a sound made by the party, and an emotion displayed by the party; and in response to detecting the event, interact with the party to obtain information from the party with respect to placing the callback to the party; and record the information so that the callback can be placed to the party at a later time.
10. The non-transitory, computer-readable medium of claim 7 , wherein the computer-readable instructions when executed by the at least one computer processor cause the at least one computer processor to also provide the party with an approximate time the party is expected to remain on hold.