[SR-Users] re-Invite in the failure route

[Alex Balashov]

Yep, I think you meant initial (regular) INVITEs, not reinvites. :-)

On 07/03/2016 09:32 PM, Jay Li wrote:
> Hi Alex,
>
> Thanks for the quick response. I believe I used the wrong terminology.
> Your sample code looks like exactly what I'm looking for. Thanks.
>
> Regards,
> Jay
>
>
> On Sunday, July 3, 2016 9:23 PM, Alex Balashov
> <abalashov at evaristesys.com> wrote:
>
>
> Are you sure "reinvite" is the correct term for what you are referring to?
>
> A reinvite is an INVITE inside a dialog. A dialog only exists between
> two parties. So, sending it to a different gateway than the one in
> relation to which the dialog already exists is not going to work.
>
> That said, you can always fork new branches in a failure_route:
>
> route {
>      ...
>
>      t_on_failure("FAILURE");
>
>      if(!t_relay())
>        sl_reply_error();
> }
>
> failure_route[FAILURE] {
>      if(t_is_canceled())
>        exit;
>
>      $ru = "<new destination>":
>
>      t_on_failure("FAILURE");
>      t_relay();
> }
>
> -- Alex
>
> On 07/03/2016 09:14 PM, Jay Li wrote:
>
>  > Dear All,
>  >
>  > Hopefully I'll be able to get some help here on re-INVITE in the failure
>  > route. For example I have a couple of PSTN gateway options. I'd like to
>  > try them by priorities. In case the one with top priority couldn't go
>  > through(e.g. returned 5XX on INVITE), I'd like to re-INVITE through
>  > another provider in the failure route. Not sure what I should do for
>  > such cases. Thanks.
>  >
>  > Regards,
>  > Jay
>
>  >
>  >
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>  >
>
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
> 1447 Peachtree Street NE, Suite 700
> Atlanta, GA 30309
> United States
>
> Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
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> <http://www.evaristesys.com/,>http://www.csrpswitch.com/
>
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>


-- 
Alex Balashov | Principal | Evariste Systems LLC
1447 Peachtree Street NE, Suite 700
Atlanta, GA 30309
United States

Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/