Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving an input from an agent during a call with a caller where the input directs one or more processors to inject a recorded statement in the agent's voice into the call, and where the recorded statement in the agent's voice is stored in a computer-readable file. Obtaining the recorded statement in the agent's voice based on data associated with the input and in response to receiving the input. And causing the recorded statement in the agent's voice to be inserted into a media stream of the call.