1993ETSI ETS 300 262-1993 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Teleservice Service Description
1992ETSI PRETS 300 262-1992 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Teleservice Service Description
ETSI PRETS 300 262-1993 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Teleservice Service Description was changed to ETSI ETS 300 262-1993 Integrated Services Digital Network (ISDN); Syntax-Based Videotex Teleservice Service Description.