Hi,

htable can be accessed from failure_route. What you need to account for is the 
origin of $fU, $si and $sp values used as the key there, because failure_route 
does not correspond to any particular SIP message. Instead, it is a 
higher-level abstraction that can be set off by numerous kinds of failures, 
only some of which are reducible to a negative SIP reply. 

What you are probably looking for is:

https://www.kamailio.org/wikidocs/cookbooks/5.7.x/pseudovariables/#t_rplpv

e.g.

   $sht(mid_reg_token=>$T_rpl($fU)::$T_rpl($si)::$T_rpl($sp))

depending on your exact logic.

-- Alex

> On May 31, 2023, at 9:49 AM, Yuriy Nasida <ynas...@gmail.com> wrote:
> 
> Any advice ?
> 
> On Fri, 26 May 2023 at 20:40, Yuriy Nasida <ynas...@gmail.com> wrote:
> Hello, 
> 
> https://lists.kamailio.org/pipermail/sr-users/2020-October/110792.html
> 
> I read this thread very carefully and I think I managed to implement all the 
> steps described by Daniel. Thank you so much for the detailed description.
> 
> But it looks like I'm stuck on the last step. I can't delete records from 
> htable when an incoming call cannot reach the registered device (e.g., no 
> more internet access, power off at the device). I try to do this from failure 
> route but looks like i kamailio has not access to htable from it.
> 
> failure_route[INTERNAL_TO_EXTERNAL_FAILURE] {
>   if (t_check_status("408")) {
>   xlog("L_WARN", "$ci|log| hello \n");
>   xlog("L_WARN", "$ci|log| mid reg token - $sht(mid_reg_token=>$fU::$si::$sp) 
> \n");
>    }
> }
> 
> I do not see xlog message with mid reg token but i see 'hello'.
> Yes, htable record exists in case i check using:
> kamcmd htable.dump mid_reg_token
> 
> Also I need a way to remove registration at the registrar (Freeswitch in my 
> case). This means I need to send api request from kamailio or just run some 
> script that will do this. What is the best way ? module exec ?
> 
> Please advice,
> Thanks
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-- 
Alex Balashov
Principal Consultant
Evariste Systems LLC
Web: https://evaristesys.com
Tel: +1-706-510-6800

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