If the PACS initiated dictation continuously asks for login credentials, there is an InSync setting to accommodate PACS initiated dictations where the user is not specified in the dictation request.
1: Open InSync, and log in with a valid user ID.
2: Select the Options tab.
3: Select PACS on the left side.
4: Activate the option "Use InSync user for undefined PACS messages."
5: Save Changes