how to get modality configuration in Version" : "1.7.1"

Hi Team,
I am able to get modality configuration using rest API https://demo.orthanc-server.com/modalities/{id}/configuration in API Version" : “1.9.2”. What is the equivalent rest API to get modality configuration in the Version" : “1.7.1”.

Thank you for your support.

Thanks,
Narsimha

This API route has been introduced in Orthanc 1.8.1.