CONTENTS

 1     Scope
 2     Normative references
 3     Definitions and abbreviations
 4     Overview
 5     Configurations
 6     General Model
 7     Service Definition
        7.1     Introduction
        7.2     Kernel services
        7.3     Optional services
 8     Protocol
 9     Coding
10     Use of Recommendation X.3 Parameters
11     Bearer Independent Service (BIS) for Syntax-based Videotex
12     Lower Layers
       12.1     Layer 3 protocols
       12.2     Layer 2
       12.3     Layer 1 protocol
13     Asynchronous interface
Annexe A – Examples of configurations
        A.1     Symbols
        A.2     Connection to a VH
        A.3     Access to a VS via a VAP
        A.4     Host to terminal call establishment
        A.5     Terminal to terminal communication
Annexe B – Usage of supplementary services
Annexe C – Terminal Function basic state
Annexe D – The SBV-Escape service
Annexe E – Extended data forwarding signals
Annexe F – Operating sequences for V.29 short turn around
        F.1     Turn-ON sequence at 9600/7200 bits per second
        F.2     Turn-ON sequence at 4800/2400 bit/s
        F.3     Turn-OFF sequence
        F.4     Circuit 109
        F.5     Circuit 106