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Standard [CURRENT] 1992-09
Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; service description; english version ETS 300053:1991
from 43.40 EUR VAT included
from 40.56 EUR VAT excluded
Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; functional capabilities and information flows; english version ETS 300054:1991
from 80.20 EUR VAT included
from 74.95 EUR VAT excluded
Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; service description; english version ETS 300056:1991
This document has been modified by: DIN ETS 300056/A1:1997-10
Standard [CURRENT] 1997-10
Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
from 35.60 EUR VAT included
from 33.27 EUR VAT excluded
Standard [CURRENT] 1992-11
Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; functional capabilities and information flows; english version ETS 300057:1992
Integrated Services Digital Network (ISDN); Subaddressing (SUB) supplementary service; service description; english version ETS 300059:1991
Integrated Services Digital Network (ISDN); Subaddressing (SUB) supplementary service; functional capabilities and information flows; english version ETS 300060:1991
Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; service description; english version ETS 300062:1991
Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; functional capabilities and information flows; english version ETS 300063:1991
Standard [CURRENT] 1992-03
Radio equipment and systems; radiotelex equipment operating in the maritime MF/HF service; technical characteristics and methods of measurement; english version ETS 300067:1990
This document has been modified by: DIN ETS 300067/A1:1994-08
from 102.10 EUR VAT included
from 95.42 EUR VAT excluded
...
3650
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