The Collaborative International Dictionary
call-back
call-back \call-back\ n.
a return call, especially a telephone call.
the recall of an employee to work after a layoff.
WordNet
call-back
n. a return call
the recall of an employee after a layoff
Usage examples of "call-back".
Watched Anshiser/Vegas Hotel data line, there was call-in call-back, enough data that may be two-way one-time codes, maybe simultaneous voice monitoring and clearance.