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Table of Contents

NOTICE AND DISCLAIMER 2

FOREWORD 5

1 Scope and field of application 6

2 Normative references 6

2.1 INTERNATIONAL STANDARDS 6

2.2 OTHER DOCUMENTS 7

3 Definitions 8

3.1 REFERENCE MODEL DEFINITIONS 8

3.2 NAMING AND ADDRESSING DEFINITIONS 8

3.3 SERVICE CONVENTIONS DEFINITIONS 8

3.4 PRESENTATION SERVICE DEFINITIONS 9

3.5 ACSE SERVICE DEFINITIONS 9

3.6 DICOM INTRODUCTION AND OVERVIEW DEFINITION 9

3.7 DICOM COMMUNICATION SUPPORT DEFINITIONS 9

4 Symbols and abbreviations 9

5 Conventions 10

6 Network communication support environment 11

7 OSI upper layer service for DICOM application entities 13

7.1 A-ASSOCIATE SERVICE 13

7.1.1 A-ASSOCIATE PARAMETERS 14

7.1.2 A-ASSOCIATE SERVICE PROCEDURE 18

7.2 A-RELEASE SERVICE 19

7.2.1 A-RELEASE PARAMETERS 20

7.2.2 A-RELEASE SERVICE PROCEDURE 20

7.3 A-ABORT SERVICE 21

7.3.1 A-ABORT PARAMETERS 22

7.3.2 A-ABORT SERVICE PROCEDURE 22

7.4 A-P-ABORT SERVICE 23

7.4.1 A-P-ABORT PARAMETER 23

7.4.2 A-P-ABORT SERVICE PROCEDURE 24

7.5 SEQUENCING INFORMATION 24

7.6 P-DATA SERVICE 24

7.6.1 P-DATA PARAMETERS 24

8 Retired 25

9 DICOM upper layer protocol for TCP/IP 25

9.1 USE OF THE TRANSPORT SERVICE PROVIDED BY TCP 25

9.1.1 GENERAL 25

9.1.2 OPENING A TCP TRANSPORT CONNECTION 26

9.1.3 TRANSFERRING DATA ON A TCP CONNECTION 26

9.1.4 CLOSING A TCP TRANSPORT CONNECTION 26

9.1.5 ARTIM TIMER 27

9.2 DICOM UPPER LAYER PROTOCOL FOR TCP/IP STATE MACHINE 27

9.2.1 MACHINE STATES DEFINITION 27

9.2.2 STATE MACHINE ACTIONS DEFINITION 28

9.2.3 DICOM UPPER LAYER PROTOCOL FOR TCP/IP STATE TRANSITION TABLE 30

9.3 DICOM UPPER LAYER PROTOCOL FOR TCP/IP DATA UNITS STRUCTURE 31

9.3.1 GENERAL 31

9.3.2 A-ASSOCIATE-RQ PDU STRUCTURE 34

9.3.3 A-ASSOCIATE-AC PDU STRUCTURE 38

9.3.4 A-ASSOCIATE-RJ PDU STRUCTURE 41

9.3.5 P-DATA-TF PDU STRUCTURE 42

9.3.6 A-RELEASE-RQ PDU STRUCTURE 42

9.3.7 A-RELEASE-RP PDU STRUCTURE 43

9.3.8 A-ABORT PDU STRUCTURE 43

10 Conformance 44

10.1 CONFORMANCE REQUIREMENTS 44

10.1.1 Retired 44

10.1.2 TCP/IP NETWORK COMMUNICATION SUPPORT 44

10.2 CONFORMANCE STATEMENT 45

Annex A Application context names (Informative) 46

A.1 APPLICATION CONTEXT DEFINITION 46

A.2 DICOM APPLICATION CONTEXT NAME ENCODING AND REGISTRATION 46

A.2.1 DICOM registered application context names 46

A.2.2 Retired 46

Annex B Abstract and transfer syntaxes (Informative) 47

B.1 ABSTRACT SYNTAX DEFINITION 47

B.2 TRANSFER SYNTAX DEFINITION 47

B.3 DICOM ABSTRACT AND TRANSFER SYNTAX NAMES ENCODING AND REGISTRATION 47

B.3.1 DICOM registered abstract and transfer syntax names 47

B.3.2 Privately defined abstract and transfer syntax names 47

Annex C DICOM addressing (Normative) 48

C.1 DICOM APPLICATION ENTITY TITLES 48

C.2 NAMING AND ADDRESSING USAGE RULES 48

Annex D Use and format of the A-ASSOCIATE user information parameter (Normative) 49

D.1 MAXIMUM LENGTH NEGOTIATION 49

D.1.1 Maximum length sub-item structure (A-ASSOCIATE-RQ) 49

D.1.2 Maximum length sub-item structure (A-ASSOCIATE-AC) 50

D.2 EXTENDED USER INFORMATION NEGOTIATION 50

Annex E Usage of the P-DATA service by the DICOM application entity (Normative) 51

E.1 ENCAPSULATION RULES 51

E.2 MESSAGE CONTROL HEADER ENCODING 52

Annex F DICOM UL encoding rules for application contexts, abstract syntaxes, transfer syntaxes 53

F.1 ENCODING RULES 53

Annex G Overview of the OSI layer and services concepts (Informative) 54

Annex H Index of Item and PDU Types (Informative) 56