Priest: Duties of Sound the Trumpet in Summoning Assemblies and in Battle
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Numbers 10:2–10
“Make two trumpets of hammered silver to be used for calling the congregation and for having the camps set out. / When both are sounded, the whole congregation is to assemble before you at the entrance to the Tent of Meeting. / But if only one is sounded, then the leaders, the heads of the clans of Israel, are to gather before you.
Numbers 31:6
And Moses sent the thousand from each tribe into battle, along with Phinehas son of Eleazar the priest, who took with him the vessels of the sanctuary and the trumpets for signaling.
Joshua 6:1
Now Jericho was tightly shut up because of the Israelites. No one went out and no one came in.
2 Chronicles 13:12
Now behold, God Himself is with us as our head, and His priests with their trumpets sound the battle call against you. O children of Israel, do not fight against the LORD, the God of your fathers, for you will not succeed.”