DIN ETS 300265:1994-10 Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Functional capabilities and information flows; English version ETS 300265:1994

标准编号：DIN ETS 300265:1994-10

英文标题：Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Functional capabilities and information flows; English version ETS 300265:1994

德文标题：ISDN - Teledienst "7-kHz-Telefondienst" - Funktionsverteilung und Informationsaustausch; Englische Fassung ETS 300265:1994

发布日期：1994-10

标准预览图