6.3 On-line Communication and Media Storage Services
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## 6.3 On-line Communication and Media Storage Services

For on-line communication the DIMSE Services allow a DICOM Application Entity to invoke an operation or notification across a network or a point-to-point interface. DIMSE Services are defined in PS3.7.

For media storage interchange, Media Storage Services allow a DICOM Application Entity to invoke media storage related operations.

### Note

These Media Storage Services are discussed in PS3.10.

### 6.3.1 DIMSE-C Services

DIMSE-C Services are services applicable only to a Composite IOD, except for C-FIND that may apply to both normalized and composite instances. DIMSE-C Services provide only operation services.

### 6.3.2 DIMSE-N Services

DIMSE-N Services are services applicable only to a Normalized IOD. DIMSE-N Services provide both operation and notification services.

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