beyond the call of duty

:  on or to the farther side :  farther

:  in addition :  besides

:  on or to the farther side of :  at a greater distance than

:  out of the reach or sphere (see ¹sphere 4b) of

:  in a degree or amount surpassing

:  something that lies on or to the farther side :  something that lies beyond (see ¹beyond 1)

:  something that lies outside the scope of ordinary experience

:  hereafter

:  to speak in a loud distinct voice so as to be heard at a distance :  shout

:  to make a request or demand

:  to utter a characteristic note or cry

:  an act of calling with the voice :  shout

:  an imitation of the cry of a bird or other animal made to attract it

:  an instrument used for calling

:  conduct due to parents and superiors :  respect

:  obligatory tasks, conduct, service, or functions that arise from one's position (as in life or in a group)

:  assigned service or business

:  done as a duty

:  being on duty :  assigned to specified tasks or functions