DIN ETS 300109:1993-04 Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992

标准编号：DIN ETS 300109:1993-04

英文标题：Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992

德文标题：ISDN; Übermittlungsdienstkategorie im Leitungsmodus, 64 kbit/s, 8 kHz-Integrität zur Übertragung von Sprachinformation; Dienstbeschreibung; Englische Fassung ETS 300109:1992

发布日期：1993-04

DIN ETS 300109:1993-04 Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992

标准预览图