call up

definition: an order to report for military duty
example:
speech part: noun
synonyms:
definition: to recall knowledge from memory
example:
speech part: verb
synonyms: recall
definition: to get or try to get into communication with someone by telephone
example:
speech part: verb
synonyms: call
definition: to bring forward or towards for discussion or consideration
example: I was called up to the bar to talk to the judge.
speech part: verb
synonyms: bring forward
definition: to call to arms
example:
speech part: verb
synonyms: rally

call up is explained and pronounced

How call up is being used?