Thanks - in this case it's a carrier account that uses IP-based authorization 
so there is no registration.

How would I associate the source IP with the gateway instance?  The only place 
I see fields which *might* be relevant is under Advanced Settings in ITSP 
Account.

Or should I configure another gateway using the inbound IP and just not route 
outbound calls to it?



On Jul 19, 2012, at 16:27 , M. Ranganathan wrote:

> In general sipxbridge will allow inbound calls from any IP. However,
> it will not be able to identify the associated ITSP account unless you
> instruct it as to where to expect inbound signaling from. The
> implications of this are that when transfers occur, appropriate
> rewrite rules will not be applied (consider that some ITSPs want you
> to use private addresses in your signaling ). Some compromises and
> assumptions were made in order to avoid excessive numbers
> configuration settings:
> 
> i.e. If  your ITSP allows registration then the ITSP registrar address
> is also assumed to be the address from which inbound calls emanate.
> Thus use a different address for your ITSP registrar address than the
> ITSP proxy address.
> 
> 
> 
> On Thu, Jul 19, 2012 at 6:10 PM, Michael Picher <[email protected]> wrote:
>> Probably, yes...
>> 
>> On Jul 19, 2012 5:33 PM, "Kurt Albershardt" <[email protected]> wrote:
>>> 
>>> Do I need to configure a separate instance of sipXbridge if my provider
>>> sends inbound calls from a different IP than the one to which I send
>>> outbound calls?

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