DIN ETS 300187:1994-01 Integrated Services Digital Network (ISDN); three-party (3PTY) supplementary service; functional capabilities and information flows; English version ETS 300187:1993

标准编号：DIN ETS 300187:1994-01

英文标题：Integrated Services Digital Network (ISDN); three-party (3PTY) supplementary service; functional capabilities and information flows; English version ETS 300187:1993

德文标题：ISDN; Dienstmerkmal "Dreierverbindung"; Funktionsverteilung und Informationsaustausch; Englische Fassung ETS 300187:1993

发布日期：1994-01

DIN ETS 300187:1994-01 Integrated Services Digital Network (ISDN); three-party (3PTY) supplementary service; functional capabilities and information flows; English version ETS 300187:1993

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