***DDSI link is https://www.irocqa.org/Resources/DDSI-Form

Then follow below instruction
  1. Select the Site ID and Trial number.
  2. Click on the "Select File" or "Select Folder" Button to upload images to TRIAD.( You will see a pop-up to fill out the DDSI form)
  3. Click on the checkbox to select the uploaded files and click on the "Move to Submission Queue".
  4. Select the Subject ID from the dropdown, select Timepoint ID, and select Submission Type as "Credentialing".
  5. Click on Submit.

You will see a green icon for a successful submission or a red icon displaying any error.

Here is the user guide(pages 35-38):

User guide

you need live assistance, you can reach out to direct line 703-390-9858 (select option 1). Available times from 8:00 AM to 5:00 PM EST on general business days.