Digital cellular telecommunications system (Phase 2) - Inband control of remote transcoders and rate adaptors for Enhanced Full Rate (EFR) and full rate traffic channels (Endorsement of the English version ETS 300597:1998 as German standard)
Edition 2000-12

European digital cellular telecommunications system (Phase 2) - In-band control of remote transcoders and rate adaptors for half rate traffic channels; English version ETS 300598:1995
Edition 1996-08

Digital cellular telecommunications system (Phase 2+) - In-band control of remote transcoders and rate adaptors for full rate traffic channels (GSM 08.60 version 7.2.1 Release 1998)
Edition 2000-12-01

Digital cellular telecommunications system (Phase 2+) - In-band control of remote transcoders and rate adaptors for half rate traffic channels (GSM 08.61 version 8.0.1 Release 1999)
Edition 2001-02-01

Digital cellular telecommunications system (phase 2). Inband control of remote transcoders and rate adaptors for Enhanced Full Rate (EFR) and full rate traffic channels (GSM 08.60, version 4.4.1)
Edition 1999-02-01

Digital cellular telecommunications system (Phase 2) - Base Station System (BSS) management information; English version ETS 300622:1996
Edition 1997-07

European digital cellular telecommunications system - Half rate speech - Part 5: Discontinuous transmission (DTX) for half rate speech traffic channels; English version ETS 300581-5:1995
Edition 1996-07

European digital cellular telecommunications system (Phase 2) - Part 5: Discontinuous Transmission (DTX) for full rate speech traffic channels; English version ETS 300580-5:1994
Edition 1995-01

European digital cellular telecommunications system - Half rate speech - Part 1: Half rate speech processing functions; English version ETS 300581-1:1995
Edition 1996-07

Digital cellular telecommunications system (Phase 2) - Enhanced Full Rate (EFR) speech transcoding (GSM 06.60 version 4.1.1) (Endorsement of the English version EN 301245 V4.1.1 (2000-08) as German standard)
Edition 2004-12