1. A system for determining the performance of a user responding to a call, comprising: a memory operable to store a plurality of prerecorded incoming voice segments that simulate an incoming call; an interface operable to communicate the incoming voice segments to the user, the interface further operable to receive user input as the user responds to the incoming voice segments; and a processor coupled to the memory and the interface, the processor operable to select the incoming voice segments to communicate, the processor further operable to determine the performance of the user based on the user input.