[OpenSIPS-Users] Multiple Presence Servers
bogdan at opensips.org
Mon Aug 8 21:42:04 CEST 2011
I thing your approach on multi Presence Servers is correct. You cannot
simple fork the SUBSCRIBE to all servers, as this will break how
the presence state must stay on a single server, so all PUBLISHs for
entity A and all SUBSCRIBES to entity A must go to the same presence server.
On 08/05/2011 11:31 AM, James Lamanna wrote:
> I'd like to know if it is possible to have multiple presence servers.
> The idea is to distribute SUBSCRIBE messages around so that each
> presence server is aware of all subscriptions.
> However, it seems as though there is a problem with the to_tag when
> doing this since it is used as a matching mechanism.
> When we have subscription renewals from a phone, it transmits the
> to_tag of the server it was registered with initially.
> This server then tries to distribute the SUBSCRIBE to the other
> servers. However, because each server generated its own to_tag
> with the initial SUBSCRIBE, each server returns with a 481
> Subscription Not Found.
> Is there any way to work around this issue?
> -- James
> Users mailing list
> Users at lists.opensips.org
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