You can program and edit destinations in the address list using the Address Book.
To open the Address Book in Windows, on the [Start] menu, point to [All Programs], [LAN-Fax Generic Utilities], and then click [Address Book].
If LAN-Fax Driver has already started up, click [Edit Address Book...].
When you register fax destinations in the Address Book, for [Line:] under [Fax Number:], the following line types can be selected: G3-1, G3-2, G3-3, G3 Dir. Auto, G3 PABX Auto, IP-FAX(H.323), IP-FAX(SIP), and Cloud Fax. The available line types depend on the machine's configuration. This machine does not support G4. If the machine is connected to an extension telephone line, select "G3 PABX Auto".