Numbers 10:3

King James 3 - The Literal Traslation

And when they blow with them, all the congregation shall gather themselves to you at the door of the tabernacle of the congregation.

Cross References

Jeremiah 4:5

Declare in Judah, and make it heard in Jerusalem, and say, Blow the rams’ horn in the land. Cry, and say, It will be ended. Gather yourselves and go into the fortified cities.

Joel 2:1

Blow a rams’ horn in Zion, and shout an alarm in My holy mountain. Let all those living in the land tremble. For the day of Jehovah comes; it is near,