Normas ISO

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

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

Information technology -- Telecommunications and information exchange between systems -- Corporate telecommunication networks -- Signalling interworking between QSIG and H.323 -- Generic functional protocol for the support of supplementary services

Information technology -- Telecommunications and information exchange between systems -- Corporate telecommunication networks -- Signalling interworking between QSIG and H.323 -- Call transfer supplementary services

Information technology -- Telecommunications and information exchange between systems -- Corporate telecommunication networks -- Signalling interworking between QSIG and H.323 -- Call diversion supplementary services

Information technology -- Automatic identification and data capture techniques -- Extended rectangular data matrix (DMRE) bar code symbology specification