DIN ETS 300051:1992-09 Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service; functional capabilities and information flows; english version ETS 300051:1991

标准编号：DIN ETS 300051:1992-09

英文标题：Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service; functional capabilities and information flows; english version ETS 300051:1991

德文标题：ISDN; Dienstmerkmal Mehrfachrufnummer; Funktionelle Fähigkeiten und Informationsflüsse; Englische Fassung ETS 300051:1991

发布日期：1992-09

DIN ETS 300051:1992-09 Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service; functional capabilities and information flows; english version ETS 300051:1991

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