How do I set a number to receive faxes?

This article will explain how to configure a number to receive faxes

Control Panel Setup:
Select Configure> Manage Numbers. Proceed and select Edit for the fax number. On the Edit Number page, click Edit on Number Action. You will then be able to configure the number’s rule. On Select Operation, select the action Receive Fax and specify the fax extension. Be sure to finish by clicking Save Rules Setting. If the extension specified is unlimited, then the faxes will not use minutes.

My.phone.com Setup:
Go to Numbers, click Edit on the number, choose the line type as Fax, select the inbox that you'd like.