You should be OK as long as you know enough about networking to send 
traffic destined for the ITSP network out of that dedicated connection 
or if your router/firewall supports 1 to 1 NAT and has a secondary 
interface for your ITSP connection, utilize that instead. All you really 
need to do after that is set your NAT IP address for the sipX server you 
will be running sipXbridge on to the public IP of your dedicated 
internet connection ( system >> servers >> server-name >> NAT (Address 
type=specify IP address))

Josh Patten
Assistant Network Administrator
Brazos County IT Dept.
(979) 361-4676


On 12/10/2009 8:28 PM, Jeff Gilmore wrote:
> Hi all,
>       I have purchased a dedicated circuit from my telephony vendor that
> will be used exclusively for SIP trunking.  It will have a different
> IP address than my normal site internet connection.
>
> My question is, will this cause me problems with sipx?  In particular,
> when users outside my local network need to connect to the sipx server
> (for web interface or to register roaming SIP phones) they will
> connect through the normal WAN IP address of my site firewall (which
> is also the address referenced in my (split) public DNS records.
>
> However when sipxBridge talks to my ITSP, they will connect through a
> different public IP address (that of my dedicated bandwidth).
>
> WIll this cause problems getting synced up with my ITSP?  Is there any
> config in sipx I need to do to facilitate this?
>
> Thanks,
>
> Jeff Gilmore
>
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