Fernando BERRETTA wrote:
> Hi,
> 
> Is there some way to implement Route Fail-Over using a SIP Stateless
> Proxy?
> The scenery would be something like this
> 
>                               ---------  ------Route 1
> IPP A ----------------- SIP PROXY| ------Route 2
>                               ---------  ------Route 3

This is almost by definition impossible in a *stateless* proxy. To do 
the failover, it must remember that an attempt has been made and failed, 
and that is state.

> Is there some paper ?

Let us know if you find one. :-)

        Paul

> Best Regards,
> 
> Fernando
> 
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