 The proposed Teleputer 4 & 5 were planned to have a laser disk attached and would allow the units to control video output on a separate screen.In Spain the system was provided by the Telefonica company and called Ibertex, which was adopted from the French Minitel system, but using the German CEPT-1 standard, used in the German Bildschirmtext.Interest in the UK trials did not go unnoticed in North America.