[general]
context=default
bindport=5060
language=en
registerattempts=0
nat=yes
canreinvite=no
dtmfmode=auto
qualify=yes
fromdomain=xxx.ath.cx
externhost=xxx.ath.cx
externrefresh=60
localnet=172.16.50.0/255.255.255.0
register => 02904xxxx:xxxx@sip.internode.on.net/s

[104]
type=friend
secret=xxx
qualify=yes      ; Qualify peer is no more than 2000 ms away
nat=yes          ; This phone is not natted
host=dynamic     ; This device registers with us
canreinvite=no   ; Asterisk by default tries to redirect
context=internal ; the internal context controls what we can do
disallow=all
allow=alaw