After you have retrieved the "IP Customer Record Administration (ICR)" page for the Toll-Free Number (TFN), you must select the primary domain name which is a mandatory field and then select the Fully Qualified Domain Name (FQDN). In the Primary FQDN section, select the “List” 
icon to get the list of domain names. A “Choose from the list” pop-up window will be displayed with available FQDN. Enter the desired FQDN directly in the search field or select the desired FQDN radio button from the list and then “Select” button. Please follow the same instructions for selecting the FQDN in the next section.
Disclaimer: Any images in this article are intended to be used as a guide for educational purposes only and they may differ slightly from the Production Environment.
Please Note: IP Endpoints are mandatory parameter in creating an IP Customer Record (CAD) (also known as a CR). Primary FQDN is a mandatory field and FQDN is a secondary field.
For more information on the ICR page's fields, their descriptions, and their valid values, please click here, or here for more information on how to update the ICR page.
Learn more about this topic in the following video!
Disclaimer: This video is intended to be used as a guide for educational purposes only. Pages shown in the video may differ slightly from the Production Environment.