DICOM PS3.7 2016d - Message Exchange

7.4.2 Association Release
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### 7.4.2 Association Release

The A-RELEASE Service is invoked by a DIMSE-service-user to request the orderly termination of an Association between peer DIMSE-service-users. This part of the Standard does not specify any use of the parameters of the A-RELEASE service.

Figure 7.4-1. DICOM Application Entity and Association

The A-ABORT Service is invoked by a DIMSE-service-user to request the abrupt termination of the Association between peer DIMSE-service-users. The A-ABORT invoking DIMSE-service-user shall include (within the A-ABORT user information field) the Abort Source parameter. The Abort Source parameter indicates the initiating source of the abort. It takes one of the following symbolic values:

- DIMSE-service-provider

- DIMSE-service-user

Reference PS3.8 for more information on the A-RELEASE and A-ABORT services.

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DICOM PS3.7 2016d - Message Exchange