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• ITU-T Rec. X.223 (11/1988) – USE OF X.25 TO PROVIDE THE OSI CONNECTION-MODE NETWORK SERVICE FOR CCITT APPLICATIONS
• CONTENTS
• 0 Introduction
• 1 Scope and Field of Application
• 2 References
• 3 Definitions
  • 3.1 Reference Model Definitions
  • 3.2 Service Conventions Definitions
  • 3.3 Network Service Definitions
  • 3.4 Addressing Definitions
  • 3.5 X.25 Definitions
  • 3.6 X.96 Definitions
• 4 Abbreviations
  • 4.1 Network Service Abbreviations
  • 4.2 Addressing Abbreviations
  • 4.3 X.25 Abbreviations
• 5 Overview
  • 5.1 Elements of the X.25/PLP Used to Support the OSI CONS
  • 5.2 General Operation of the X.25/PLP For Supporting the OSI CONS
• 6 Network Connection Establishment Phase
  • 6.1 Primitive/Parameter and Packet/Field Relationships
  • 6.2 Procedures
• 7 Network Connection Release Phase
  • 7.1 Primitive/Parameter and Packet/Field Relationships
  • 7.2 Procedures
• 8 Data Transfer Phase - Data Transfer Service
  • 8.1 Primitive/Parameter and Packet/Field Relationships
  • 8.2 Procedures
• 9 Data Transfer Phase - Receipt Confirmation Service
  • 9.1 Primitive and Packet/Field Relationships
  • 9.2 Procedures
• 10 Data Transfer Phase - Expedited Data Transfer Service
  • 10.1 Primitive/Parameter and Packet/Field Relationships
  • 10.2 Procedures
• 11 Data Transfer Phase - Reset Service
  • 11.1 Primitive/Parameter and Packet/Field Relationships
  • 11.2 Procedures
• APPENDIX I – Additional Considerations of CONS Primitives
• I.1 Introduction
• I.2 Environment for X.25/PLP operation
• APPENDIX II – Use of X.25/PLP NPAI
• II.1 Introduction
• II.2 Obtaining an SNPA address
• II.3 Examples of NSAP Address Encoding
• APPENDIX III – Transit Delay Calculations
• APPENDIX IV – Differences between Recommendation X.223 and ISO 8878