SECTION ONE - INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 Conventions
SECTION TWO - MESSAGE TRANSFER SYSTEM ABSTRACT SERVICE
6 Message Transfer System Model
7 Message Transfer System Abstract Service Overview
8 Message Transfer System Abstract Service Definition
9 Message Transfer System Abstract Syntax Definition
SECTION THREE - MESSAGE TRANSFER AGENT ABSTRACT SERVICE
10 Refined Message Transfer System Model
11 Message Transfer Agent Abstract Service Overview
12 Message Transfer Agent Abstract Service Definition
13 Message Transfer Agent Abstract Syntax Definition
SECTION FOUR - PROCEDURES FOR DISTRIBUTED OPERATION OF THE MTS
14 Procedures for Distributed Operation of the MTS
Annex A - Reference Definition of MTS Object Identifiers
Annex B - Reference Definition of MTS Parameter Upper Bounds
Annex C - Definition of 1988 Message Transfer System Abstract
          Service
Annex D - Differences between ISO/IEC 10021-4 and ITU-T
          Recommendation X.411
Annex E - Index