5.4.2.2 DIMSE Service N-GET, N-EVENT-REPORT

5.4.2.2 DIMSE Service N-GET, N-EVENT-REPORT (Current)
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The following Requirements apply when specifying the use of DIMSE services N-GET, N-EVENT-REPORT.

The convention used in the table below are as follows:

SCU Behaviour

Optional: The SCU may retrieve the Attribute.
Undefined: The SCU's usage of the Attribute is undefined.

SCP Behaviour

Mandatory: The SCP shall support retrieval of the Attribute.
Optional: The SCP may or may not support retrieval of the Attribute.
Undefined: The SCP’s support of the Attribute is undefined.

	SCU	SCP
Usage	Requirement	Requirement	Zero Length
3/1	Optional	Mandatory	Not Permitted
3/2	Optional	Mandatory	Permitted
3/3	Optional	Optional	Not Permitted
-/1	Undefined	Mandatory	Not Permitted
-/2	Undefined	Mandatory	Permitted
-/3	Undefined	Optional	Not Permitted

If support of an Attribute by the SCP is optional and the SCP does not support the Attribute and the Attribute is requested by the SCU, the SCP shall respond with the error code "Invalid Attribute Value" (0106H) or "Attribute Value out of range" (0116H).