Section 1: General
  1.1 Scope
  1.2 Normative References
  1.3 Conformance
  1.4 Test Methods
Section 2: Terminology and General Requirements
  2.1 Conventions
  2.2 Definitions
Section 3: Overview
  3.1 Purpose
  3.2 Overview
  3.3 Object Management
  3.4 Features
Section 4: Message Handling Interfaces
  4.1 Datatypes
  4.2 Access Operations
  4.3 Transfer Operations
  4.4 Return Codes
Section 5: Interpersonal Messaging Packages
  5.1 Class Hierarchy
  5.2 Class Definitions
  5.3 Syntax Definitions
Section 6: Message Handling Packages
  6.1 Class Hierarchy
  6.2 Class Definitions
  6.3 Syntax Definitions
Section 7: Secure Messaging Package
  7.1 Class Hierarchy
  7.2 Class Definitions
  7.3 Syntax Definitions
Section 8: Definition of Constants
  8.1 Object Identifier for This International Standard
  8.2 OIDs for Features and Packages
  8.3 Interpersonal Messaging Package Value Definitions
  8.4 Message Handling Package Value Definitions
  8.5 Secure Messaging Package Value Definitions
Annex A (normative) Functional Architecture of an API
      A.1 Message Access Interface
      A.2 Message Transfer Interface
Annex B (informative) Gateway Considerations
      B.1 Address Translation
      B.2 Feature Translation
      B.3 Feature Relocation
      B.4 Representational Translation
Annex C (informative) Supplementary Classes
      C.1 Introduction
      C.2 ISO 6937 Text Body Part
      C.3 ISO 6937 Repertoire
      C.4 ISO 6937 Text Body Part Protocol Definition
      C.5 USA Nationally Defined Body Part
Annex D (informative) Bibliography
Alphabetic Topical Index