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Standards [CURRENT]

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

Standards [CURRENT]

VG 95200

Field telephone; dimensions, requirements, tests
Edition 1985-12

Integrated Services Digital Network (ISDN) - Technical characteristics of telephony terminals - Part 5: wideband (7 kHz) handset telephony
Edition 1999-12-01

Standards [CURRENT]

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

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

Integrated Services Digital Network (ISDN). Videotelephony teleservice. Part 1: electroacoustic characteristics for 3,1 kHz bandwidth handset terminals
Edition 1997-09-01

Integrated Services Digital Network (ISDN). Technical characteristics of telephony terminals. Part 2: PCM A-law handset telephony
Edition 1996-12-01

Administrative provision

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

Integrated Services Digital Network (ISDN). 3,1 kHz telephony teleservice. Attachment requirements for handset terminals
Edition 1992-12-01

Standards [CURRENT]

DIN 44013

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

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