"In a report to the Supervisory Board at the beginning of 2001, the Board of Management of Deutsche Bahn classified Kurs 90 as an "outdated communications network with considerable technical risks" that was to be replaced in all DB travel centers and ticket offices by the beginning of 2003. The technical capabilities of Kurs 90 were "exhausted," and there was a lack of suitable personnel for the outdated software. In conjunction with major maintenance problems, the risk of a temporary total breakdown was increasing."
enter poland, year 2023, they have started thinking about replacing it just last year