Call-up and Roll call

Roll call and call-up are semantically related. in gathering topic. In some cases you can use "Roll call" instead a noun phrase "Call-up", when it comes to topics like military conscription.

Roll call noun - A record of a series of items (as names or titles) usually arranged according to some system.

Call-up and roll call are semantically related. Sometimes you can use "Call-up" instead a noun phrase "Roll call".