Need help with outgoing Fax

I have an FXS port connected to my analog fax machine and i have 5 FXO ports connected to 5 PSTN lines.
Anyway im having problem setting up an outbound route for the fax, and i am lost oh how to do this. Tried looking around the web and the forums for this same issue but have no luck so far.

anyway heres a small screen shot of whats going on when i try to fax.