ITU-T Q.767:1991-02

Application of the ISDN User Part of CCITT signalling system No. 7 for international ISDN interconnections

German title: Anwendung des ISDN-Nutzerteils des CCITT-Zeichengabesystems Nr. 7 auf internationale ISDN-Verbindungen
Publication date: 1991-02
Original language: English
Pages: 271

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Replacement amendments

This document has been modified by: ITU-T Q.767 AMD 1:2002-12

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