1) call in - to ask someone to come to a place or to contact someone for advice or information

2) call out - to shout in order to get someone's attention, to challenge or criticize someone publicly

3) call by - to visit briefly or to stop somewhere on the way to another destination

4) call away - to ask someone to leave a place or activity to deal with an urgent matter or emergency

5) call back - to return a phone call or to ask someone to return to a place or situation

6) call off - to cancel an event or activity, to end something or stop participating in it