Bible Verses About Trumpet: Calling assemblies

Make thee two trumpets of silver; of beaten work shalt thou make them: and thou shalt use them for the calling of the congregation, and for the journeying of the camps.

And when they shall blow them, all the congregation shall gather themselves unto thee at the door of the tent of meeting.

But when the assembly is to be gathered together, ye shall blow, but ye shall not sound an alarm.