Sorry, I misread the second message. I have the following for SIP based config that works fine... hope that helps. register => uid:secret at 217.160.244.186 [livevoip] type=user secret=mysecret deny=0.0.0.0/0.0.0.0 permit=217.160.244.186/255.255.255.0 context=default notransfer=yes disallow=all allow=ulaw