how do i use my macbook pro as a fax

I bought a US Robotics USB modem that has a phone jack. I then went into Settings, and set it up as a fax. I can RECEIVE, but haven't really tried to send, although I do have access to a scanner. I do have to physically jack into the wall to receive. I do not know if I (or anyone else) can do this wirelessly.

The modem is 56K, and relatively cheap...I think I paid $25 or less for it.

bkb

I forgot to add, that, once you have set up the modem, you should be able to fax from within your application. If it's a physical document, you should be able to scan it using your phone, and create a computer file that will fax.