Frame relay services - Part 2: Integrated Services Digital Network (ISDN); frame relay bearer service; service definition; English version ETS 300399-2:1995
Edition 1995-10

Integrated Services Digital Network (ISDN) - Facsimile group 4 class 1 on the ISDN - Functional specification of the equipment; English version ETS 300087:1994
Edition 1994-11

European digital cellular telecommunications system (Phase 2) - Technical realisation of facsimile group 3 non-transparent; English version ETS 300539:1995
Edition 1995-06

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for speech information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300083:1993
Edition 1993-11

Transmission and multiplexing (TM); protocol suites for Q interfaces for management of transmission systems; English version ETS 300150:1992
Edition 1994-01

Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service category; service description; english version ETS 300108:1992
Edition 1993-04

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

Objective reference equivalent meter; construction and application
Edition 1990-09

Transmission and Multiplexing (TM) - Flexible Multiplexer Equipment - Part 1: Core functions, 2048 kbit/s aggregate interface functions, tributary interface functions and special functions; English version ETS 300461-1:1996
Edition 1997-07

Transmission and Multiplexing (TM) - Payload configuration information model for the Network Element (NE) view; English version ETS 300412:1995
Edition 1995-11