Making a little progress, I think if i can correct extension not found i can begin getting calls
My sound is up and running and things are fine tunning
thanks
[2013-04-26 01:45:13] NOTICE[2383] chan_sip.c: Call from ‘ac07bd49’ (192.159.66.3:5060) to extension ‘5032142561’ rejected because extension not found in context ‘from-pstn’.