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Home / Science / Reference / Standards / Individual Standards / ISO 21407
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Web Sites
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- ISO/IEC 21407:2001 - Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Simple dialog supplementary service - 1st edition [ZIP File].
www.iso.ch/iso/en/ittf/PubliclyAvailableStandards/c034499_ISO_IEC_21407;2001(E).zip
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