2 Samuel 2:28

2:28 Then Joab blew the ram’s horn and all the people stopped in their tracks. They stopped chasing Israel and ceased fighting.

2 Samuel 18:16

18:16 Then Joab blew the trumpet and the army turned back from chasing Israel, for Joab had called for the army to halt.

2 Samuel 20:1

Sheba’s Rebellion

20:1 Now a wicked man named Sheba son of Bicri, a Benjaminite, happened to be there. He blew the trumpet and said,

“We have no share in David;

we have no inheritance in this son of Jesse!

Every man go home, O Israel!”

2 Samuel 20:22

20:22 Then the woman went to all the people with her wise advice and they cut off Sheba’s head and threw it out to Joab. Joab blew the trumpet, and his men dispersed from the city, each going to his own home. Joab returned to the king in Jerusalem.