In the Internet Fax Service Settings area, enter the information from your service provider in the Internet Fax Provider Domain and the T37 Prefix fields.
Enter the Default Fax Account E-mail Address . If you want to use the email address for the user who is signed in to the product, select the appropriate box.
Select a File Format .
Choose whether to enable the If available, use the signed in users e-mail address as the Fax Account address option.
If you are using a service in North America, choose whether to enable the Auto complete to North American Numbering Plan (NANP) format using area code option. If selected, enter the area code in the field provided.
Click Apply to save the settings.