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#606926 01/11/17 12:07 PM
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I have a VoIP card with some remote IP phones working on a public IP connection. Can I move the card behind a firewall using NAT or port forwarding?

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I've never been successful in doing this and I don't believe I know of anyone who has either. We always put a small switch between the modem and the router and use a static IP address for the IP card. I was always told by technical support that "they don't handle NAT well". Translation: No, it can't be done. It is my understanding that this was addressed in later versions of XTS software, but I never saw it work.

Of course the phones can be connected to any network as long as the router configuration permits it.


Ed Vaughn, MBSWWYPBX
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Right,that was my thinking also. Putting the IP card inside the firewall was not supported. Just needed someone else to weight in on it. Thank You Ed.

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We had a hardware VPN setup between sites and used it that way behind the firewalls as a few different sites over the years.\



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