We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN. Techncial characteristics of telephony terminals. Part 4: Additional Equipment Interface (AEI)
Standard published on 1.4.1996
Selected format:Integrated Services Digital Network (ISDN) - Technical characteristics for telephony terminals - Part 5: Wideband (7 kHz) handset telephony
Standard published on 1.3.1997
Selected format:Integrated Services Digital Network (ISDN) - Technical characteristics for telephony terminals - Part 6: Wideband (7kHz), loudspeaking and hands free telephony
Standard published on 1.3.1997
Selected format:Integrated Services Digital Network (ISDN) - Technical characteristics of telephony terminals - Part 7: Locally generated information tones
Standard published on 1.6.1997
Selected format:Integrated Services Digital Network (ISDN) - Technical characteristics for telephony terminals - Part 8: Speech transmission characteristics when using Low-Delay Code-Excited Prediction (LD-CELP) coding at 16 kbit/s
Standard published on 1.3.1997
Selected format:Integrated Services Digital Network (ISDN). Telephony 7 kHz teleservice. Terminal requirements necessary for end-to-end compatibility
Standard published on 1.8.1995
Selected format:Terminal Equipment (TE). Test procedures for Teletex
Standard published on 1.9.1995
Selected format:Integrated Services Digital Network (ISDN). Videotelephony teleservice. Part 1: Electroacoustic characteristics for handset telephony function when using Pulse Code Modulation (PCM) encoding
Standard published on 1.1.1996
Selected format:Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Part 1: Electroacoustic characteristics for 3,1 kHz bandwidth handset terminals
Standard published on 1.1.1998
Selected format:Integrated Services Digital Network (ISDN). Videotelephony teleservice. Part 1: Electroacoustic characteristics for 3,1 kHz bandwith loudspeaking and handfree terminals
Standard published on 1.11.1996
Selected format:Latest update: 2026-01-08 (Number of items: 2 253 855)
© Copyright 2026 NORMSERVIS s.r.o.