Klaus Darilion writes:
Thus you should not allow loose_routing for
out-of-dialog requests.
yes, if you have no other means to prevent unauthorized use of your gw.
Even
if a customer bypasses your PSTN routing logic by using a sip uri with a
domain which resolves to the IP address of the gateway, you can bill the
call as the user was authenticated.
yes, if the user has subscribed to pstn service.
-- juha