Fax Software Solution

I need a Fax software solution via my desktop computer. Currently I using a ADSL modem internet, and the fax software must through my internet line fax to client local fax machine. I tired to try many fax software, and now looking a Fax server is quiet similar what I need, the software call Esker Fax server, you can log in to [login to view URL] . If any one can do it similar function like the Esker software, or who have a “CORY” also can resell for me. You also can simply contact me through [login to view URL] according to Terms Of Service. Thanks