Rec. ITU-T X.32 (03/1993) INTERFACE BETWEEN DATA TERMINAL EQUIPMENT (DTE) AND DATA CIRCUIT-TERMINATING ...
FOREWORD
CONTENTS
Preface
1 Scope
2 Functional aspects
    2.1 Dial-in and dial-out considerations
    2.2 Identification
    2.3 Service aspects
    2.4 DTE identification methods
    2.5 DCE identification methods
    2.6 Dial-in-by-the-DTE and dial-out-by-the-PSPDN operation
    2.7 DTE service requirement
    2.8 Duplex and half-duplex operation
    2.9 Identification protocol
    2.10 Negotiation of values
3 DTE service descriptions
    3.1 DTE service attributes
    3.2 Summary of DTE services
    3.3 Non-identified DTE service
    3.4 Identified DTE service
    3.5 Customized DTE service
4 Interface characteristics (physical layer)
    4.1 X.21 interface
    4.2 X.21 interface
    4.3 V-series interface
5 Link access procedure across the DTE/DCE interface
    5.1 Introduction
    5.2 Data link layer address assignment
    5.3 Use of exchange identification (XID) frames
    5.4 Link set-up disconnection
    5.5 Multilink
    5.6 Half-duplex operation
6 Packet layer
    6.1 Scope and field of application
    6.2 Identification and authentication of the DTE using the NUI selection facility in call set-up packets
7 X.32 procedures, formats and facilities
    7.1 Identification protocol
    7.2 Procedures for X.32 optional user facilities
    7.3 Coding of the identification protocol elements
    7.4 Security grade 2 method
    7.5 DCE timers T14 and T14 bis
    7.6 DCE timer T15
Annex A Actions taken by the DCE in the roles of questioning and challenged parties for ...
A.1 Introduction
A.2 Security grade 1 identification
A.3 Security grade 2 identification
Annex B Abbreviations
Appendix I Implementation of LAPX
I.1 Introduction
I.2 Control and status functions
I.3 Table of transitions between states
I.4 HDTM/physical layer control and status functions expressed in terms applicable to a modem interface
Appendix II RSA public key algorithm
Appendix III Relationship of timers T14 and T14 bis to the different methods ...