In the last years of British Rail, before privatisation, the main passenger-operated ticket issuing system (POTIS) on the network was the "Quickfare" B8050, developed in the late 1980s by Swiss company Ascom Autelca. These machines were geared towards high-volume, low-value transactions: they only accepted cash, offered a small and mostly unchanging range of destinations, and were a minor evolution from similar earlier machines whose computer technology was based in the early 1980s. Quickfares were widespread, especially in the erstwhile Network SouthEast area, but their limitations were increasing as technology became more sophisticated.