Rec. ITU-T X.420 (09/1992) … MESSAGE HANDLING SYSTEMS … INTERPERSONAL MESSAGING SYSTEM
FOREWORD
INTRODUCTION
SECTION 1 … INTRODUCTION
1 Scope
2 Normative references
2.1 Open Systems Interconnection
2.2 Message Handling Systems
2.3 Directory Systems
2.4 Language Code
2.5 Character Sets
2.6 Telematic Services
2.7 File Transfer
2.8 Open Document Architecture
3 Definitions
4 Abbreviations
5 Conventions
5.1 ASN.1
5.2 Grade
5.3 Terms
SECTION 2 … ABSTRACT INFORMATION OBJECTS
6 Overview
7 Interpersonal messages
7.1 Heading field component types
7.2 Heading fields
7.3 Body part types
8 Interpersonal notifications
8.1 Common fields
8.2 Non-receipt fields
8.3 Receipt fields
8.4 Other notification type fields
SECTION 3 … ABSTRACT SERVICE DEFINITION
9 Overview
10 Primary Object types
10.1 Interpersonal Messaging System user
10.2 Interpersonal Messaging System
11 Primary Port types
11.1 Origination
11.2 Reception
11.3 Management
12 Abstract operations
12.1 Origination abstract operations
12.2 Reception abstract operations
12.3 Management abstract operations
13 Abstract errors
13.1 Subscription Error
13.2 Recipient Improperly Specified
14 Other capabilities
SECTION 4 … ABSTRACT SERVICE PROVISION
15 Overview
16 Secondary Object types
16.1 Interpersonal Messaging System user agent
16.2 Interpersonal Messaging System message store
16.3 Telematic agent
16.4 Telex access unit
16.5 Physical Delivery Access Unit
16.6 Message Transfer System
17 Secondary Port types
17.1 Submission
17.2 Delivery
17.3 Retrieval
17.4 Administration
17.5 Import
17.6 Export
18 User agent operation
18.1 State variables
18.2 Performance of Origination operations
18.3 Performance of Management operations
18.4 Invocation of Reception operations
18.5 Internal procedures
19 Message Store operation
19.1 Creation of Information objects
19.2 Maintenance of Attributes
19.3 Notification of Non-receipt
19.4 Auto-forwarding
19.5 Manual Forwarding
20 Message Contents
20.1 Content
20.2 Content type
20.3 Content length
20.4 Encoded Information types
21 Port Realization
22 Conformance
22.1 Origination Versus Reception
22.2 Statement Requirements
22.3 Static requirements
22.4 Dynamic Requirements
ANNEX A … Heading extensions
ANNEX B … Extended body part types
ANNEX C … Message store attributes
ANNEX D … Reference definition of Object Identifiers
ANNEX E … Reference definition of abstract information objects
ANNEX F … Reference definition of functional objects
ANNEX G … Reference definition of Abstract Service
ANNEX H … Reference definition of heading extensions
ANNEX I … Reference definition of extended body part types
ANNEX J … Reference definition of message store attributes
ANNEX K … Reference definition of upper bounds
ANNEX L … Support of the Interpersonal Messaging Service
ANNEX M … Differences between CCITT X.420 Recommendation and the corresponding ISO/IEC International Standard
ANNEX N … Summary of changes to the 1984 version of Recommendation X.420
ANNEX O … Summary of changes to the 1988 version of Recommendation X.420
ANNEX P … Index
ANNEX Q … Alphabetical list of abbreviations used in this Recommendation