asterisk users - Apr 2007 - Sharing trunks between asterisk machines

Hello eveybody,

I've been looking for a way to share trunks between two asterisk
servers. I guest I have to use Dundi, but I've not found the exact
method yet. I need a way to allow users registered in one server  to
use the another server's trunks in the case the first server's trunks
were busy and vice versa. Is this possible?

Thank you so much, any comment will be useful.

On Thu, 12 Apr 2007, Edgar Guadamuz said something to this effect:
> I've been looking for a way to share trunks between two asterisk
servers.
   Provided that the Asterisk servers can be set up to hold identical
SIP contacts (URIs), you can just set up a dialplan such that it fails
over if a primary trunk is unavailable and sends the call via SIP to
another server which can then put it on its trunks.

--
Alex Balashov <sasha@presidium.org>

Another way is to run the calls through a SIP proxy such as SER which can 
hunt through two Asterisk UA endpoints, depending on a variety of 
parameters including failure at a primary and fallback to a secondary.

--
Alex Balashov <sasha@presidium.org>

This is correct. We have several machines hooked up with way.


Alex Balashov wrote:
> On Thu, 12 Apr 2007, Mike Lynchfield said something to this effect:
>
>> No you are being misled.. SER can NOT DO IAX, SER = SIP only
>
>   No, you are not being misled.  In my most recent response, I was
> referring to the specific dialplan example for rerouting that you
> provided that used an IAX channel.
>
>   Absolutely nothing to do with SER.
>
>
> -- 
> Alex Balashov <sasha@presidium.org>
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