Data communication - Use of the X.25 packet level protocol in local and metropolitan area networks; identical with ISO/IEC 8881:1989 (status of 1991)
Edition 1996-01

Terminal equipment (TE); syntax-based videotex common end-to-end protocols; English version ETS 300223:1993
Edition 1994-01

Open Systems Interconnection - Address information exchange protocol for use in conjunction with DIN ISO/IEC 8878 on a subnetwork; identical with ISO/IEC 10030:1995
Edition 1996-07

Integrated Services Digital Network (ISDN); syntax-based videotex end-to-end protocols; circuit mode DTE-DTE; english version ETS 300079:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); syntax-based videotex lower layers protocols for ISDN packet mode (CCITT Recommendation X.31 case A and case B); English version ETS 300218:1993
Edition 1994-01