'call in' definitions:

Definition of 'call in'

From: WordNet
verb
Summon to enter; "The nurse called in the next patient"
verb
Summon to a particular activity or employment; "Experts were called in"
verb
Pay a brief visit; "The mayor likes to call on some of the prominent citizens" [syn: visit, call in, call]
verb
Take a player out of a game in order to exchange for another player
verb
Make a phone call; "call in to a radio station"; "call in sick"
verb
Demand payment of (a loan); "Call a loan" [syn: call, call in]
verb
Cause to be returned; "recall the defective auto tires"; "The manufacturer tried to call back the spoilt yoghurt" [syn: recall, call in, call back, withdraw]

Synonyms of 'call in'

From: Moby Thesaurus