English definition of “call in”
call in (PHONE)
› to telephone the place you work: She hasn't called in with her schedule yet. › You can also call in to a radio or television program or to an organization asking for information from the public: Call in to this radio station and ask the governor a question. People were calling in to report suspicious activity. call in sick › If you call in sick, you telephone to say that you are unable to work because of illness.