Normas ISO

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows - Message centre monitoring and mailbox identification supplementary services

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Use of QSIG for Message Centre Access (MCA) profile standard

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network (PISN) -- Inter-exchange signalling protocol -- Make call request supplementary service

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

Classification of dense shaped refractory products-- Part 4: Special products

Pen-injectors for medical use-- Part 4: Requirements and test methods for electronic and electromechanical pen-injectors