IAX Sample Configuration
Here is how your IAX config file(s) should look. You should forward your buy ddi number using the "Your Own SIP Server" option and use your Asterisk IP in the "Host" .
iax.conf: [buyddi-iax-1] type=user permit=46.19.209.42 context=from-buyddi
[buyddi-iax-2] type=user permit=46.19.210.42 context=from-buyddi