Normas ISO

Information technology -- Distributed Transaction Processing -- The XA Specification

Information technology -- 12,65 mm wide magnetic tape cartridge for information interchange -- Helical scan recording -- Data-D3-1 format

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Call offer supplementary service

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Do not disturb and do not disturb override supplementary services

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Inter-exchange signalling protocol -- Call Offer supplementary service

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Inter-exchange signalling protocol -- Do Not Disturb and Do Not Disturb Override supplementary services