[SR-Users] Dispatcher and SUBSCRIBE issue

Daniel-Constantin Mierla miconda at gmail.com
Thu Apr 8 12:37:57 CEST 2021


have you changed the value for the force_dst modparam for dispatcher module?


Also not, iirc, in the older versions the value was 0.


On 08.04.21 11:58, Barry Flanagan wrote:
> Hi
> I am using the dispatcher module with Kamailio as a front-end
> Registrar/LB in front of a cluster of Asterisk boxes. I have come
> across an issue with SUBSCRIBE messages not getting routed to the
> correct server in the event that the phone endpoint's dispatch set is
> changed. It will still go to the old server until such time as the
> phone is rebooted.
> The reason this is happening is because the 200 OK in the response
> from the Asterisk server has Contact set to its own IP:port and
> subsequent in-dialog reSUBSCRIBE are sent with the original Asterisk
> ip:port in the RURI. When Kamailio receives these reSUBSCRIBE it does
> not change the RURI even though ds_select_dst is being called in the
> [WITHIN_DIALOG] route.
> My feeling is I have two choices - either alter the Contact in the
> reply from Asterisk, or, change the RURI manually on receipt of an
> in-dialog SUBSCRIBE.
> Has anyone else come across this, or have advice on the best way to
> handle this?
> Thanks
> -- 
> -Barry   
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Daniel-Constantin Mierla -- www.asipto.com
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