i am facing one side voice issue if we go through Normal router.
But in NAT it is working fine.
These are my trunk details.
type=friend
secret=xxxxxxxxxx
username=1111111111
host=domain.tld
dtmfmode=rfc2833
context=from-trunk
canreinvite=no
allow=ulaw&g729
insecure=port,invite
fromdomain=domain.tld