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Standard [CURRENT]

DIN ETS 300056:1992-09

Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; service description; english version ETS 300056:1991

German title
ISDN; Dienstmerkmal Anklopfen; Dienstbeschreibung; Englische Fassung ETS 300056:1991
Publication date
1992-09
Original language
English
Pages
18

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Publication date
1992-09
Original language
English
Pages
18
DOI
https://dx.doi.org/10.31030/2533280

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ICS
33.080
DOI
https://dx.doi.org/10.31030/2533280
Replacement amendments

This document has been modified by: DIN ETS 300056/A1:1997-10

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