callback >> /ˈkɔlˌbæk/
Definition: [noun] An invitation to return for a second audition or interview.
Example: he was one of only twelve applicants to receive a callback
Definition: [noun] A phone call made to return a call received.
Example: After placing several calls to one of his handlers, I was more then a little surprised to receive a callback from someone who identified themselves as Tom.
Definition: [noun] A security feature used by systems accessed by phone, in which a remote user must log on using a previously registered phone number, to which the system then places a return call.
Definition: [noun] A recall of a defective product.
Definition: [noun] An emergency call summoning an employee to work after hours.
Example: uncontrolled air leakage results in increased callbacks