IMSI
dongle/s:imsi/$OUTNUM$

IAX设置

username=abc
type=friend
trunk=yes
transfer=no
secret=abcpassword
qualifyfreqok=25000
qualify=yes
host=1.1.1.1
forceencryption=yes
encryption=yes
disallow=all
context=from-internal
auth=md5
allow=alaw&ulaw&gsm