[OpenSIPS-Users] Removing ISUP part from sip dialog

[Alexey Hamstr]

Thank You a lot Arto.
I will try it today

Regards, Alexey

чт, 29 июл. 2021 г. в 06:28, Arto Kuiri <art666 at hotmail.com>:

> Hi Alexey,
>
> I did this with t_on_reply(). Something like this:
>
> route {
>        if (has_totag()) {
>                 # sequential requests within a dialog should
>                 # take the path determined by record-routing
>                 if ($si=="10.10.20.20") {
>                         xlog ("Removing ISUP body part in sequential
> requests to host which dont want it...\n");
>                         remove_body_part("application/isup");
>                         t_on_reply("reply_normal_sip_leg");
>                 }
>         }
>        if (is_method("INVITE") && ($si=="10.10.20.20") ) {
>                 xlog ("Routing INVITE \n");
>                 # telecom trunk  - outbound calls
>                 rewritehostport("195.***.***.66:5060");
>                 # Do cut SIP-T, here it working
>                 remove_body_part("application/isup");
>                 xlog ("And activate topology hiding B2B\n");
>                 b2b_init_request("top hiding");
>                 exit; #do not forward this request, another on will be
> generated
>
>         }
>
> }
> onreply_route[reply_normal_sip_leg] {
>               remove_body_part("application/isup");
> }
>
>
> -Arto
>
> ------------------------------
> *Lähettäjä:* Users <users-bounces at lists.opensips.org> käyttäjän Alexey
> Hamstr <homstr at gmail.com> puolesta
> *Lähetetty:* torstai 29. heinäkuuta 2021 0.21
> *Vastaanottaja:* OpenSIPS users mailling list <users at lists.opensips.org>
> *Aihe:* Re: [OpenSIPS-Users] Removing ISUP part from sip dialog
>
> Hi Vlad,
> Thankyou for response
> I'm saying that i need to remove the ISUP not only in INVITE method, but
> in the whole dialog
> now i have in script
> route {
>        if (has_totag()) {
>                 # sequential requests within a dialog should
>                 # take the path determined by record-routing
>                 if ($si=="10.10.20.20") {
>                         xlog ("Removing ISUP body part in sequential
> requests to host which dont want it...\n");
>                         remove_body_part("application/isup");
>                 }
>         }
>        if (is_method("INVITE") && ($si=="10.10.20.20") ) {
>                 xlog ("Routing INVITE \n");
>                 # telecom trunk  - outbound calls
>                 rewritehostport("195.***.***.66:5060");
>                 # Do cut SIP-T, here it working
>                 remove_body_part("application/isup");
>                 xlog ("And activate topology hiding B2B\n");
>                 b2b_init_request("top hiding");
>                 exit; #do not forward this request, another on will be
> generated
>
>         }
>
> }
>
> This code removes the ISUP part from the INVITE request, from
> 10.10.20.20  to the upper trunk but when I receive the 180 ringing signal
> with the ISUP part I need to remove it too.
>
> Regards, Alexey.
>
>
> ср, 28 июл. 2021 г. в 19:46, Vlad Patrascu <vladp at opensips.org>:
>
> Hi Alexey,
>
> The remove_body_part() function should work for any method and replies as
> well. So are you saying that you have actually tried the function and it
> has no effect ?
>
> Regards,
>
> --
> Vlad Patrascu
> OpenSIPS Core Developerhttp://www.opensips-solutions.com
>
> On 28.07.2021 18:15, Alexey Hamstr wrote:
>
> good day.
> Could anybody advise me if it is possible to remove ISUP part from whole
> SIP dialogue
> Now I have only found that there is no problem to remove it from the
> common methods
> like
>         if (is_method("INVITE") ) {
>                 remove_body_part("application/isup");
>         }
> but i see ISUP part in the 180 or 186 messages or in the BYE method
>
> Thanks.
>
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