7.2 A-RELEASE Service

7.2 A-RELEASE Service (Current)
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The graceful release of an association between two AEs shall be performed through ACSE A-RELEASE request, indication, response, and confirmation primitives. The initiator of the service is hereafter called a requestor and the service-user that receives the A-RELEASE indication is hereafter called the acceptor. It shall be a confirmed service.

Figure 7-2 illustrates the graceful release of an association between two AEs.

Figure 7-2. Association Release

7.2.1 A-RELEASE Parameters

Table 7-4 lists the parameters for the A-RELEASE service that shall contain fixed values or shall not be used by DICOM Application Entities in this Standard.

Table 7-4. A-RELEASE Service Parameters

A-RELEASE parameter name	Request	Indication	Response	Confirmation
reason	UF	UF(=)	UF	UF(=)
user information	NU	NU(=)	NU	NU(=)
result			MF	MF(=)

7.2.1.1 Reason (Fixed)

When used on the request primitive, this parameter identifies the general level of urgency of the request. This parameter shall always use the value "normal" in this Standard.

7.2.1.2 Result (Fixed)

This parameter shall always take the value "affirmative" in this Standard.