Radio Equipment and Systems (RES) - Digital Enhanced Cordless Telecommunications (DECT); Data Services Profile (DSP) - Generic data link service; Service type C, class 2; English version ETS 300651:1996
Edition 1998-06

Radio Equipment and Systems (RES) - Land mobile service - Binary Interchange of Information and Signalling at 1200 bit/s (BIIS 1200); English version ETS 300230:1996
Edition 1998-06

Frame relay services - Part 1: General description; English version ETS 300399-1:1995
Edition 1995-11

Integrated Services Digital Network (ISDN); user-network interface layer 3; specification for basic call control; english version ETS 300102-1:1990
Edition 1992-02

Extensions for Financial Services (XFS) interface specification - Part 11: Vendor Dependent Mode Device Class Interface; programmer's reference; English version CWA 13449-11:1998
Edition 1999-03