Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays; English version ETS 300640:1996
Edition 1997-04

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Premium Rate (PRM) service; service description; English version ETS 300712:1997
Edition 1997-12

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Televoting (VOT) service; service description; English version ETS 300713:1997
Edition 1997-12

Satellite Earth Stations and Systems (SES) - Network Control Facilities (NCFs) for Land Mobile Earth Stations (LMESs) operating in the 1,5/1,6 GHz bands providing voice and/or data communications; English version ETS 300424:1995
Edition 1996-02

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) information model of the Sub Network Connection Protection (SNCP) for the Network Element (NE) view; English version ETS 300493:1996
Edition 1997-01

Satellite Earth Stations and Systems (SES) - Transmit-only or transmit-and-receive Very Small Aperture Terminals (VSATs) used for communications operating in the Fixed Satellite Service (FSS) 6 GHz and 4 GHz frequency bands; English version ETS 300332:1997
Edition 1998-05

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Transit counter additional network feature [ISO/IEC 15055 (1997) modified]; English version EN 301048 V 1.1.1 (1997.09)
Edition 1998-10

Integrated Services Digital Network (ISDN) - Access digital section for ISDN primary rate; English version ETS 300233/A1:1995
Edition 1995-10

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

Transmission and Multiplexing (TM) - Synchronous cross connect equipment 64 and n × 64 kbit/s cross connection rate, 2048 kbit/s access ports - Part 1: Core functions and characteristics; English version ETS 300010-1:1995
Edition 1995-12