By dialing to a sender, you can receive faxes from a board stored on sender's fax machine with a subaddress (SEP) and password (PWD) feature. To use this feature, register the contact with the subaddress (SEP) and password (PWD) in the contacts list in advance.
Select Fax on the home screen.
Select 
(More).
Select Extended Fax.
Tap Polling Receive to set this to On.
Tap Close, and then tap Close again.
Select Contacts, and then select the contact with the registered subaddress (SEP) and password (PWD) to match the destination board.
Tap 
.