Answer: REDIALS

AnswerCrossword Clue
REDIALSTries to reach again, old-style
REDIALSTries the call again
REDIALSWorks the phone again.
REDIALSPhones again.
REDIALSTries again (after wrong number).
REDIALSCorrects a wrong number
REDIALSPunches a new number in
REDIALSTries to get through anew
REDIALSCalls up again
REDIALSResponds to a busy signal
redialsbutton that performs this function
redialstelephone function that automatically redials the last number called
redialsto dial again
redialsREDIAL, to dial again