[general]      
bindport=5060 ; UDP Port to bind to
bindaddr=0.0.0.0 ; (0.0.0.0 binds to all)
dtmfmode=inband
canreinvite=no
disallow=all
allow=ulaw
allow=g729        
allow=alaw         
allow=gsm      
context=a2billing-CC

[IW001]
type=peer
host=ip
dtmfmode=inband
canreinvite=no
disallow=all
allow=ulaw


[V3]
type=peer
host=ip
secure=invite
insecure=port,invite
canreinvite=no
dtmfmode=rfc2833
qualify=yes
deny=0.0.0.0/0.0.0.0
context=a2billing-sip
accountcode=3340062391
disallow=all
allow=g729
allow=alaw
allow=ulaw
allow=gsm