[asterisk-users] load balancing SIP extensions

[Anthony Francis]

Vieri wrote:
> What I would like to do is have two identical *
> servers which accept registrations of sip extensions
> 4000-4999. 
>
> If I define a rrDNS or LinuxHA then I should have
> load-balanced registrations. 
>
> However, say ext. 4001 is registered on *1 and 4002 is
> registered on *2, if 4001 tries to call 4002 then I
> would like to do something like:
> - lookup 4002 on *1, try to establish a call if it's
> REGISTERED here
> - if it's not registered here then try to look it up
> on *2 and establish the call there
>
> I tried to use DUNDi on my local servers but I can't
> seem to make it work. Most howtos out there explain
> the use of DUNDi when the extension ranges do not
> overlap.
> So in my case where both *1 and *2 have the same local
> extension range 4XXX, can I go the DUNDi route or
> should I stop bashing my head on that and explore
> another solution?
>
> If someone has configured a similar system then I'd
> greatly appreciate some tips.
> I read a few dundi docs like
> http://www.voip-info.org/wiki-DUNDi.
>
> Thanks
>
>
>
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Have you tried placing the sip registrations in a db using realtime?