But what is it so urgent that these soldiers of the galactic empire are all eager to enter a phone box. While waiting for their turn, the soldiers are busy in their own way. If the soldier in the foreground is quietly drinking a coffee, the others go back and forth throughout the room while Darth Vader takes care of the reception. And if you have the eye, you will notice that C-3PO is making a call in one of the cabins.