supervisor or owner of the company.
As this was the Netherlands, and they started complaining that there were to many immigrants answering the phone.
after which the racist had hung up.
they did not call back for about 2 hours, seeing how the system works, accent coworker got them again when they called back, and used a Provincial accent when he saw the ID.
He started saying he was the Owner, and he said the racist demanded he would fire the rude employees, and the non Dutch ones.