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ISO/OSI
1984 (International Organization of Standardization ISO) (Open System Interconnection, OSI).
ISO/OSI
ISO/OSI
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1984 (CCITT - International Telegraph and Telephone Consultative Committee) ISDN (Integrated Services Digital Network):
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- , ISDN, 64 /.
- ISDN , . .
- ISDN . ISDN ISDN.
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