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Main page>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
immediate downloadReleased: 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