[OpenSIPS-Users] Timer Based Failover Question

Dave Singer dave.singer at wideideas.com
Tue Nov 16 19:49:48 CET 2010


I ran into the same problem with one of our carriers. The way I did it, with
advice from bogdan, was to set the fr_inv_timer_avp to 6 sec (so long
because of some calls to cell phone systems have long delays) when sending
to the particular carrier then in a reply route special to that carrier,
reset it to the normal 300 if the response was a 18x. Here are
the pertinent parts:

modparam("tm", "fr_inv_timer", 300)             # Timer on Final response:
Minimum is 2 sec, Default is 120 sec.
modparam("tm", "restart_fr_on_each_reply", 1)   # Reset fr_int_timer on each
reply. Needed if you want to adjust the fr_inv_timer_avp with avp depending
on reply.
modparam("tm", "fr_inv_timer_avp", "$avp(i:2)") # Used if overide of
fr_inv_timer param is needed.
modparam("tm", "onreply_avp_mode", 1)           # set to 1 if you want to
access and or save avps from or for other parts of the transaction, like
changing the fr_inv_timer_avp.

route[carrier_c] {
        if (is_method("INVITE")) {
                t_on_failure("2");
                t_on_reply("2");
                $avp(i:2) = 6;
        }
}
onreply_route[2] {
        /* once we get ring progress let it ring for upto 300 sec */
        fix_nated_contact();
        if ( $rs =~ "18." ) {
                $avp(i:2) = 300;
                #xlog("got ringing, reset final timer to $avp(i:2) sec.\n");
        }
}

On Tue, Nov 16, 2010 at 2:49 AM, Denis Putyato <denis7979 at mail.ru> wrote:

> And what about
>
> http://www.opensips.org/html/docs/modules/1.6.x/tm.html#id250384
>
>
>
>
>
> *From:* users-bounces at lists.opensips.org [mailto:
> users-bounces at lists.opensips.org] *On Behalf Of *Bruce Borrett
> *Sent:* Tuesday, November 16, 2010 1:40 PM
> *To:* Users at lists.opensips.org
> *Subject:* [OpenSIPS-Users] Timer Based Failover Question
>
>
>
> Hi All
>
> I am having a problem where a SIP provider are sometimes sending us a 100,
> but then nothing afterwards. I would like to fail these calls over using a
> timer, but fr_timer wont work since we are receiving a 100, and fr_inv_timer
> requires a very lengthy duration which also will not work as I would like
> for the call to failover within 5 seconds maximum.
>
> Does anyone have any other suggestion for me please?
>
> Regards,
> Bruce Borrett
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
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