Homepage>IEC Standards>ISO/IEC 15049:1997 - Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Advice of charge supplementary services
download between 0-24 hoursReleased: 1997-05-15
ISO/IEC 15049:1997
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Advice of charge supplementary services