[xxxx]
		type=peer
		qualify=yes
		port=5060
		nat=yes
		insecure=very
		deny=0.0.0.0/0.0.0.0
		permit=192.168.0.16/255.255.255.0 (client ip/mask)
		dtmfmode=rfc2833
		context=truv
		canreinvite=no
		disallow=all
		allow=gsm
		

[general]
context=default
bindport=5060
bindaddr=0.0.0.0
srvlookup=yes
dtmfmode=rfc2833
relaxdtmf=no
disallow=all
allow=ulaw
allow=alaw
allow=gsm
maxexpirey=30
defaultexpirey=180
canreinvite=yes
UserAgent=Asterisk