Wiktionary
call off
vb. (context transitive English) To recall; to cancel or call a halt to.
WordNet
Usage examples of "call off".
For another, you can call off the bloodhounds you have set to follow me.
What I planted in the box for him to find should make him happy enough to call off his dogs, at least long enough to give you your chance, if it comes to that.
He's stupid, but killing him wouldn't make it easier to get the others to call off the revolt.
The Danes were even ready to call off their feud with the Knights of the Holy Trinity.