Oracle iSupplier Portal enables a buying company to communicate key procure-to-pay information with suppliers.
From Oracle data sheet
As a supplier using Oracle iSupplier Portal, you can
1.1. View and acknowledge purchase orders
1.2. Submit change requests & acknowledge purchase order change requests.
2.1. Create advance shipment notices
3.1 View receipts, view invoices and payments
4. 1.Vview inventory levels
4.2. Create work confirmation for complex work projects
As a buyer using Oracle iSupplier Portal, you can
Before you can access Oracle iSupplier Portal:
1. Your company must be registered as a supplier to the buying company that has licensed Oracle iSupplier Portal.
2. You must be registered as an Oracle iSupplier Portal user.
Note: If you are already a supplier to the buying company and you can log into Oracle iSupplier Portal, then you and your company have already completed both of the registration tasks.
1. Create a user id for the supplier / site from supplier adress book.
2. Verify the user id is attached to the customer in define user form
Add the ICX_SUPPLIER_ORG_ID value as the supplier name to this user id