I think I'm doing something similar. Firewall only allows Asterisk IP
to talk to customer IPs and carrier IPs. Other SIP traffic is dropped.
I have no serious incentive to do it another way.
On 9/5/2020 1:45 PM, [email protected] wrote:
We had asterisk running, we had SIP trunks to a company called
Xmission in Salt Lake city.
Something internally here got hijacked and started sending SIP traffic
to Xmission. We got a huge bill before anyone noticed.
So what we did was to put the SIP trunks on their own static IP. That
is the only thing on that globally routable IP connects to.
Xmission uses that IP to send us terminating traffic. We use that IP
to send traffic to Xmission.
I would rather go back to using that IP for everything here, but we
don’t want a repeat of history.
Is it worth trying to do? Or just leave it alone?
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