[call in] vt (1597) 1: to order to return or to be returned: as a: to withdraw from an advanced position "call in the outposts" b: to withdraw from circulation "call in bank notes and issue new ones"
2: to summon to one's aid or for consultation "call in a mediator"
3: to deliver (a message) by telephone "call in an order for pizza" ~ vi: to communicate with a person by telephone -- call in sick : to report by telephone that one will be absent because of illness