Thanks to blackhole54 and archtoad6 I got it working!
I sent a fax today. I got the dial tone and the sound of the recipient machine picking up the phone.
I edited /home/~/.efax-gtkrc as follows to get it working
Code:
INIT: Z &FE&D2S7=120 &C0 M1L2 S11=55
Thanks a bunch.
okos