This went on for a while, with the fox girl completely ignoring his attempts to communicate. He finally gave up on being heard. Maybe she didn't understand him.
Eventually, she seemed satisfied, and summoned two large horse-males. They unlocked the door and entered the pen. One of them held him down while the other attached some sort of collar to him. It looked to have some electronics on it.
Then they released him and left with the door open. "The collar will give him a shock if he tries to leave," he could hear the fox girl say. So...she did speak...