Hlavní stránka>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
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sklademVydáno: 1997
ISO/IEC 15049:1997
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
