DIN ETS 300063:1992-09 Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; functional capabilities and information flows; english version ETS 300063:1991

标准编号：DIN ETS 300063:1992-09

英文标题：Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; functional capabilities and information flows; english version ETS 300063:1991

德文标题：ISDN; Dienstmerkmal Durchwahl; Funktionelle Fähigkeiten und Informationsflüsse; Englische Fassung ETS 300063:1991

发布日期：1992-09

DIN ETS 300063:1992-09 Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; functional capabilities and information flows; english version ETS 300063:1991

标准预览图