[OpenSIPS-Users] Removing ISUP part from sip dialog

[Alexey Hamstr]

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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