ETS 300184:1993-04

Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; functional capabilities and information flows

German title: Diensteintegrierendes digitales Fernmeldenetz (ISDN); Zusatzdienst Konferenzruf, Zuschalten (CONF); Funktionsfähigkeiten und Informationsflüsse
Publication date: 1993-04
Original language: English
Pages: 42

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Replacement amendments

This document has been modified by: ETS 300184 Corrigendum 1:1993-09

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