Okay, I added: <param name="apply-proxy-acl" value="true"/> to my sofia 
profile and restarted sofia, and still no joy.

I'm on FreeSWITCH Version 1.0.trunk (15764)
I've got <param name="auth-acl" value="190.218.103.12/32"></param> in 
the directory, but I'm still being rejected by the acl:

2009-12-17 06:04:59.920517 [WARNING] sofia_reg.c:1928 IP 64.135.119.105 
Rejected by user acl 190.218.103.12/32

Here's what I believe is the appropriate snippet of the debug output:
http://pastebin.freeswitch.org/11531

Thoughts?
Thanks,
Bill