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ITU-T Q.931:1998-05

ISDN user-network interface layer 3 specification for basic call control

German title: ISDN-Nutzer-Netz-Schnittstellenschicht 3 - Vorschrift für die grundlegende Rufsteuerung
Publication date: 1998-05
Original language: English
Pages: 342

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Replacement amendments

This document has been modified by: ITU-T Q.931 Erratum 1:2003-02,ITU-T Q.931 AMD 1:2002-12,ITU-T Q.931 AMD 2:2023-12

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