CONTENTS

 1     Scope of the Recommendation
 2     References
        2.1     Identical Recommendations | International Standards
        2.2     Paired Recommendations | International Standards equivalent in technical content
        2.3     Additional references
 3     Definitions
 4     Abbreviations
        4.1     Transport protocol data unit
        4.2     TPDU fields
 5     Use of the network service
 6     Protocol functions
        6.1     Default identification
        6.2     Explicit identification
        6.3     Protocol operation
 7     Structure and encoding of the UN TPDU
        7.1     Structure
        7.2     Length indicator (LI) field
        7.3     Fixed part
        7.4     Variable part
 8     Conformance
Annex A  –  Protocol Implementation Conformance Statement (PICS) Proforma
        A.1     General
        A.2     Supported TPDU
        A.3     Supported parameters of issued TPDU
        A.4     Supported parameters for received UN TPDU
        A.5     Actions on protocol identification