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.

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:

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