---
title: "Trigger C-ECHO SCU"
method: POST
path: "/tools/dicom-echo"
tags: ["System"]
---

# Trigger C-ECHO SCU

`POST /tools/dicom-echo`

Trigger C-ECHO SCU command against a DICOM modality described in the POST body, without having to register the modality in some `/modalities/{id}` (new in Orthanc 1.8.1)

## Request body

- object
  - `AET` string — AET of the remote DICOM modality
  - `CheckFind` boolean — Issue a dummy C-FIND command after the C-GET SCU, in order to check whether the remote modality knows about Orthanc. This field defaults to the value of the `DicomEchoChecksFind` configuration option. New in Orthanc 1.8.1.
  - `Host` string — Host address of the remote DICOM modality (typically, an IP address)
  - `LocalAet` string — Whether to override the default DicomAet in the SCU connection initiated by Orthanc to this modality
  - `Manufacturer` string — Manufacturer of the remote DICOM modality (check configuration option `DicomModalities` for possible values
  - `Port` number — TCP port of the remote DICOM modality
  - `Timeout` number — Whether to override the default DicomScuTimeout in the SCU connection initiated by Orthanc to this modality
  - `UseDicomTls` boolean — Whether to use DICOM TLS in the SCU connection initiated by Orthanc (new in Orthanc 1.9.0)

## Response `200`

---

[API](https://skmtc.net/uclouvain/apis/orthanc-api.md) · [All operations](https://skmtc.net/uclouvain/apis/orthanc-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/uclouvain/orthanc-api/versions/9297c4930d96/schema)