[SR-Users] Changing $fU or $fn in branch_route

[Jurijs Ivolga]

Hi Daniel,

I got that changes are not applied immediately. When I check SIP packet
itself what was sent out I see that from header has user part equal to
"1234567+123456". I think this might be a bug...

Thank you!

On Thu, 17. Oct 2019 at 22:22, Daniel-Constantin Mierla <miconda at gmail.com>
wrote:

> Hello,
>
> assigning to $fn, $fu or $fU is offered as a convenience way to update
> parts of From header, but the changes are not applied immediately, like the
> other operations done over the SIP headers -- see more details in the FAQ:
>
>   -
> https://www.kamailio.org/wiki/tutorials/faq/main#why_changes_made_to_headers_or
>
> In your case, try to do those changes only in branch_route.
>
> Cheers,
> Daniel
> On 17.10.19 20:59, Jurijs Ivolga wrote:
>
> Hi,
>
> Just to add one more point that $fU & $fn I'm checking not in script but
> in SIP packet. So using sngrep i see in SIP packet from header where $fU
> and $fn are "1234567+123456".
>
> Jurijs
>
>
> On Thu, Oct 17, 2019 at 1:06 PM Jurijs Ivolga <jurijs.ivolga at gmail.com>
> wrote:
>
>> Hi!
>>
>> I have small problem. When I assign $fU or $fn in request-route and then
>> one more time I make new assignment in branch_route.  Instead of rewriting
>> it is just concatenate needed value at the end. lets assume
>> $avp(cli)=1234567 and $avp(cliplus)=+1234567. So if in request_route I
>> do $fU=$avp(cli); and then in branch_route $fU=$avp(cliplus);. $fU becomes
>> one string: "1234567+1234567". Is it a bug or I missing something?
>>
>> Here is config snippet:
>>
>> request_route {
>> ...
>> route(MY);
>> ...
>> }
>>
>> route[MY] {
>>
>> ...
>>         $avp(cli) = "1234567"
>>         $avp(cliplus) = "+"+$avp(cli);
>>         $fU=$avp(cli); # here $fU=1234567
>>         $fn=$avp(cli); # here $fn=1234567
>>         route(LCR_ROUTE);
>>         exit;
>> }
>>
>> route[LCR_ROUTE]
>> {
>>         if(!is_method("INVITE"))
>>                 return;
>>         if (!load_gws("1",$rU,$avp(cli))) {
>>                 send_reply("503", "Error loading gateways");
>>                 exit;
>>         }
>>
>>         $var(i)=0;
>>         while($(avp(lcr_gw_uri)[$var(i)])!= $null){
>>                 xlog("L_INFO", "loaded
>> gw_uri_avp[$var(i)]=$(avp(lcr_gw_uri)[$var(i)]) \n");
>>                 $var(i) = $var(i)+1;
>>         }
>>
>>         if (!next_gw()) {
>>                 send_reply("503", "No available gateways");
>>                 exit;
>>         }
>>
>>         xlog("L_INFO", "request-uri $ru \n");
>>         xlog("L_INFO", "$avp(lcr_gw_uri), $avp(lcr_id)\n");
>>
>>         xlog("L_INFO", "flag $avp(lcr_flag) \n");
>>
>>         t_set_fr(0, 4000);
>>         t_on_failure("RTF_LCR_ROUTE");
>>         t_on_branch("BRANCH_CUST");
>>         route(RELAY);
>>         exit;
>> }
>>
>> branch_route[BRANCH_CUST] {
>>         if ( $avp(lcr_flag) == 4) {
>>                 $fU=$avp(cliplus); #here $fU=1234567+1234567
>>                 $fn=$avp(cliplus); #here $fn=1234567+1234567
>>         }
>> }
>>
>> Jurijs
>>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training, Oct 21-23, 2019, Berlin, Germany -- https://asipto.com/u/kat
>
> --
Jurijs
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