CONTENTS

 1     General
        1.1     Scope
        1.2     Fundamental principles
        1.3     Definitions
 2     Functions of the procedures
        2.1     General
        2.2     Background information
 3     Elements of procedure
        3.1     General
        3.2     Session commands, responses and parameters
        3.3     Session procedures
        3.4     Document commands, responses and parameters
        3.5     General rules for document elements of procedure
        3.6     Rules for document state diagrams
 4     Error recovery
        4.1     General principles
        4.2     Rules for checkpointing
        4.3     Acknowledgement window
 5     Coding
        5.1     Definition of terms used in coding
        5.2     Principles of coding
        5.3     Coding of length indicators
        5.4     Coding of command and response identifiers for session elements
        5.5     Coding of command and response identifiers for document elements
        5.6     Coding of parameter group identifiers and parameter identifiers
        5.7     Parameter values
Annex  A  –  Definitions
        A.1     General
        A.2     Terms specific to session procedures
        A.3     Terms specific to document procedures
Annex  B  –  Telematic modes of operation
        B.1     Introduction
        B.2     Telematic modes of operation
        B.3     Relationship between Telematic modes of operation and the OSI session services
Annex  C  –  Definition of valid/invalid session protocol data units
        C.1     Introduction
        C.2     Invalid protocol data units (PDUs) (definition and rules)
        C.3     Valid PDUs (rules for mandatory acceptance of PDUs)
Annex  D  –  General description and rules of operation for state diagrams
Annex  E  –  Types of document
        E.1     General
        E.2     Normal document
        E.3     Operator document (optional)
        E.4     Control document
        E.5     Monitor document (optional)
Annex  F  –  Interactive session protocol and typed data transfer for the Telematic services
Annex  G  –  Detailed state transition diagrams for session/document procedures
        G.1     General
        G.2     Description on notations
        G.3     Service primitives
        G.4     Detailed state transition diagrams for the basic services
Annex  H  –  State transition tables for session/document procedures
        H.1     General
        H.2     Notation details
        H.3     State tables