ETSI PRETS 300 218-1992 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B)
1993ETSI ETS 300 218-1993 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B)
1992ETSI PRETS 300 218-1992 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B)
ETSI PRETS 300 218-1992 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B) was changed to ETSI ETS 300 218-1993 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Lower Layers Protocols for ISDN Packet Mode (CCITT Recommendation X.31 Case A and Case B).