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ETS 300183:1992-10

Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; service description

German title
Diensteintegrierendes digitales Fernmeldenetz (ISDN); Konferenzverbindung Zusatzdienst Aufschalten (CONF); Dienstbeschreibung
Publication date
1992-10
Original language
English
Pages
21
Publication date
1992-10
Original language
English
Pages
21

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Replacement amendments

This document has been modified by: ETS 300183/A1:1998-02

Cooperation at DIN

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