6.7 PS3.7: Message Exchange
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## 6.7 PS3.7: Message Exchange

PS3.7 of the DICOM Standard specifies both the service and protocol used by an application in a medical imaging environment to exchange Messages over the communications support services defined in PS3.8. A Message is composed of a Command Stream defined in PS3.7 followed by an optional Data Stream as defined in PS3.5.

PS3.7 specifies:

- the operations and notifications (DIMSE Services) made available to Service Classes defined in PS3.4,

- rules to establish and terminate associations provided by the communications support specified in PS3.8, and the impact on outstanding transactions,

- rules that govern the exchange of Command requests and responses,

- encoding rules necessary to construct Command Streams and Messages.

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6.6 PS3.6: Data Dictionary | Home | 6.8 PS3.8: Network Communication Support For Message Exchange