DIN ETS 300125:1992-05 Integrated Services Digital Network (ISDN); user-network interface data link layer specification; application of CCITT recommendations Q.920/I.440 and Q.921/I.441; english version ETS 300125:1991

标准编号：DIN ETS 300125:1992-05

英文标题：Integrated Services Digital Network (ISDN); user-network interface data link layer specification; application of CCITT recommendations Q.920/I.440 and Q.921/I.441; english version ETS 300125:1991

德文标题：ISDN; Spezifizierung der Sicherungsschicht an der Teilnehmer-Netz-Schnittstelle; Anwendung der CCITT-Empfehlungen Q.920/I.440 und Q.921/I.441; Englische Fassung ETS 300125:1991

发布日期：1992-05

DIN ETS 300125:1992-05 Integrated Services Digital Network (ISDN); user-network interface data link layer specification; application of CCITT recommendations Q.920/I.440 and Q.921/I.441; english version ETS 300125:1991

标准预览图