roll call

Short definition from Wiktionary

Noun

1. 1
   The reading aloud of a list of names, and subsequent responses, in order to determine who is present or absent: Such an event in a legislative body in order to determine if a quorum exists.
2. 2
   The reading aloud of a list of names, and subsequent responses, in order to determine who is present or absent: The time of day fixed for such an event.
3. 3
   The subset of those members of a specific group who are present or available out of the full set of all the members of said group.

Verb

1. 1
   To read aloud from a list of names, in order to determine who is present or absent.
2. 2
   Alternative form of roll call.