CAN/CSA-ISO/IEC 20161:04 (R2022) :
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Use of QSIG at the C reference point between a PINX and an Interconnecting Network (Adopted ISO/IEC 20161:2001, first edition, 2001-12-15)
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Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Use of QSIG at the C reference point between a PINX and an Interconnecting Network (Adopted ISO/IEC 20161:2001, first edition, 2001-12-15)
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