term:

Roll Call

roll call n

: the act or an instance of calling off a list of names (as for checking attendance)
;specif
: an act or instance of calling the roll of a legislative body to determine if there is a quorum or to vote on a matter

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.