ČSN - Czech national standards

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

Available languages: Czech preface only

Available design: Print design

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

Available design: Print design

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

Available languages: Czech preface only

Available design: Print design

Available design: Print design

Available design: Print design

Available design: Print design

Available design: Print design

Available design: Print design

Available design: Print design

Available design: Print design