C.4.4.2 Parameters
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#### C.4.4.2 Parameters

DICOMSRV configuration parameters related to DICOM communications are below. A blank cell under the 'Default Value' heading indicates that there is no default value for the specific configuration attribute.

Table C.4.2-14. Configuration Parameters Table

Parameter | Configurable | Default Value
--- | --- | ---
General Parameters
Time-out waiting for acceptance or rejection Response to an Association Open Request | Yes | 30 Seconds
Time-out waiting for response to TCP/IP connect() request. | Yes | 15 Seconds
Time-out for waiting for data between TCP/IP packets. (Low-level timeout) | Yes | 15 Seconds
Time-out waiting for a response to a DIMSE Request | Yes | 30 Seconds
Time-out waiting for the next DIMSE Request | Yes | 60 Seconds
Debugging Capabilities
Hex Dump DIMSE Messages | Yes | Off
Hex Dump Association Messages | Yes | Off
TCP/IP Settings
TCP/IP Send Buffer | Yes | 65535 Bytes
TCP//IP Receive Buffer | Yes | 65535 Bytes
PacketFilter | Yes | On. This option enables running of tcpdump utility from the command line to capture TCP packet headers/contents
DICOMSRV Parameters
Maximum Number of Simultaneous Associations | Yes | 20
Maximum Number of Associations to a given device | Yes | 3
Maximum PDU size the AE can receive | Yes | 65536 Bytes
Maximum PDU size the AE can send | No | The lower of the value above and the max PDU size specified by the Remote AE in the Association Request
Validation of DICOM Service Messages | Yes | Validate messages and log validation errors. Do not automatically return error for all validation errors
Modality Worklist Parameters
Maximum Number of Matches for an MWL Request | Yes | 100
Time period after Scheduled Date/Time to leave SPS entries in the SPS Worklist | Yes | 2880 min
State of Parent Procedure that causes deletion of child SPS Entries | Yes | PROCEDURE STARTED
Supported Transfer Syntaxes | Yes | Explicit VR Little Endian Implicit VR Little Endian
Modality Performed Procedure Step Parameters
Generate charges based on supplies specified in MPPS transactions | Yes | Off
Purge Period for MPPS transactions in final state | Yes | 30 days
State to automatically set procedures to for a given AE on receipt of matching N-CREATE | Yes |
State to automatically set procedures to for a given AE on receipt of matching N-SET COMPLETED | Yes |
State to automatically set procedures to for a given AE on receipt of matching N-SET DISCONTINUED | Yes |
Flag specifying support for IHE Trauma cases for a given AE | Yes | false
Patient ID Range to be used for Patient Registration for IHE Trauma case | Yes |
Default Procedure Code to be used for orders for IHE Trauma cases | Yes |
Supported Transfer Syntaxes | Yes | Explicit VR Little Endian Implicit VR Little Endian

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