DICOM PS3.4 2020e - Service Class Specifications

5.4.2.2 DIMSE Service N-GET, N-EVENT-REPORT (Current)
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#### 5.4.2.2 DIMSE Service N-GET, N-EVENT-REPORT

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).

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DICOM PS3.4 2020e - Service Class Specifications