[Serusers] Failover PSTN Gateways

Atle Samuelsen clona at camaro.no
Thu Sep 2 09:38:22 UTC 2004


Ok. 

Cool

-Atle

* Adrian Georgescu <ag at ag-projects.com> [040902 11:18]:
> December 2004
> 
> On Sep 2, 2004, at 6:31 AM, Atle Samuelsen wrote:
> 
> >Howdy Adrian!
> >
> > Do you know when you whing you'll be finnish with this project? or
> > atleast ready for use?
> >
> >
> > -atle
> >
> >* Adrian Georgescu <ag at ag-projects.com> [040902 00:42]:
> >>There is some work in progress:
> >>
> >>http://download.dns-hosting.info/SERLCR/README
> >>
> >>Adrian
> >>
> >>>>>>>>>>
> >>Hi list,
> >>
> >>We have a setup with 2 redundant stateful SER SIP-Servers with
> >>accounting.
> >>
> >>For calls to the PSTN we have 2 ISDN-PRI gateways connected to
> >>different ISDN-PRI lines.
> >>
> >>We need to implement a dynamic failover mechanism and load balancing.
> >>
> >>a) Incoming calls: No problem, the PSTN switch takes care of that
> >>b) Outgoing calls:
> >>  Both GWs are registered at both SERs; calls are usually relayed with
> >>"t_relay_to_udp(x.x.x.x, "5060");"
> >>  But how can I implement a quick failover including load-distribution
> >>between those gatways?
> >>  I.e. if I receive "busy here" or no response after a short period
> >>after the "invite", the call should be redirected to the other GW.
> >>
> >>Thanks in advance for your help!
> >>
> >>Best regards,
> >>Gerhard
> >>
> >>
> >
> >>_______________________________________________
> >>Serusers mailing list
> >>serusers at lists.iptel.org
> >>http://lists.iptel.org/mailman/listinfo/serusers
> >
> 
> 




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