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DIN ETS 300085
Integrated Sevices Digital Network (ISDN); 3,1 kHz telephony teleservice; attachment requirements for handset terminals; english version ETS 300085:1990
Edition
1992-02
DIN ETS 300679
Terminal Equipment (TE) - Telephony for the hearing impaired - Electrical coupling of telephone sets to hearing aids; English version ETS 300679:1996
Edition
1997-11
VG 95200
Field telephone; dimensions, requirements, tests
Edition
1985-12
NF Z82-085 ; NF ETS 300085:1992-12-01
Integrated Services Digital Network (ISDN). 3,1 kHz telephony teleservice. Attachment requirements for handset terminals
Edition
1992-12-01
XP Z82-245-2 ; XP I-ETS 300245-2:1996-12-01
Integrated Services Digital Network (ISDN). Technical characteristics of telephony terminals. Part 2: PCM A-law handset telephony
Edition
1996-12-01
XP Z82-245-5 ; XP I-ETS 300245-5:1999-12-01
Integrated Services Digital Network (ISDN) - Technical characteristics of telephony terminals - Part 5: wideband (7 kHz) handset telephony
Edition
1999-12-01
XP Z82-302-1 ; XP I-ETS 300302-1:1997-09-01
Integrated Services Digital Network (ISDN). Videotelephony teleservice. Part 1: electroacoustic characteristics for 3,1 kHz bandwidth handset terminals
Edition
1997-09-01
XP Z89-380 ; XP I-ETS 300380:1998-04-01
Universal Personal Telecommunication (UPT). Access devices. Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone
Edition
1998-04-01
1999/304/EGEntsch
Commission Decision of 12 April 1999 on a commontechnical regulation for integrated services digital network (ISDN); telephony 3,1 kHz teleservice, attachment requirements for handset terminals (edition 2)
Edition
1999-04-12
DIN 44013
Objective reference equivalent meter; construction and application
Edition
1990-09
