Registering a frequently used fax numbers on this machine will save you the trouble of entering them each time you send a fax.
For details on how to register, refer to Here.
Set how you want to use a second line, if any.
You can configure functional settings specific to the second line that are different from the first to use the two lines differently.
For details on how to configure the settings, refer to Here.
When an LDAP server or Active Directory is used for user management purposes, you can search for or specify fax numbers using the server. To use the LDAP server to specify a destination, you must register the server on this machine.
The registration procedure is explained using Web Connection. For details, refer to Here.