>>From what I remember about SIP, you need the firewall to preserve the
source and destination ports. NAT usually changes the source port for
outgoing traffic.
On 4/17/07, David Garrard <david@commsnet.com.au> wrote:
> HI;
>
> I am currently installing a Cyberguard 410 D to sit between a VOIP
> server network and a private network. Getting NAT to work is extremely
> challenging, has anyone reading this list done this before?
>
>
>
>
>
> All the best;
>
>
>
>
>
> David
>
>
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