DIN ETS 300678:1997-11 Integrated Services Digital Network (ISDN) - Videoconference teleservice - Service description; English version ETS 300678:1996

标准编号：DIN ETS 300678:1997-11

英文标题：Integrated Services Digital Network (ISDN) - Videoconference teleservice - Service description; English version ETS 300678:1996

德文标题：ISDN - Teledienst "Videokonferenz" - Dienstbeschreibung; Englische Fassung ETS 300678:1996

发布日期：1997-11

标准预览图