I did the following

if (t_check_status("180"))
{
        t_cancel_branch();
               drop;
}

But there is an issue.

When 180 is followed by 200 instantly, the CANCEL is not working as expected.

When I add a delay on Answer ie 1sec then CANCEL works.

Any suggestion?

Antonis Psaras 

-----Original Message-----
From: Users <users-boun...@lists.opensips.org> On Behalf Of Kingsley Tart
Sent: Τρίτη, 20 Απριλίου 2021 20:10
To: OpenSIPS users mailling list <users@lists.opensips.org>
Subject: Re: [OpenSIPS-Users] Generate CANCEL on 180

Firstly, I'm new to OpenSIPS so treat my comments accordingly.

But, can you do something in an onreply route?

eg, in a test setup I have, when I get an INVITE I do this:

        create_dialog("pPB");
        t_on_reply("doodle");

(I can't remember whether the dialog is needed for this)

and then I have this:

onreply_route[doodle] {
        # expect $T_reply_code to likely first be 100
        # then 180 or 183 for a progressing call
        # 200 when call is answered
        # or failure code (eg 4xx) or whatever
        if (t_check_status("^1[0-9][0-9]$")) {
                switch ($T_reply_code) {
                        case 180: $acc_extra(t_ringing) = $Ts; break;
                        case 183: $acc_extra(t_progress) = $Ts; break;
                }
        } else if (t_check_status("^2[0-9][0-9]$")) {
                $acc_extra(t_answer) = $Ts;
        } else {
                xlog("Something else\n");
        }
}

so when a 180 is received, it calls the above route function. Could you send a 
CANCEL from there?

Cheers,
Kingsley.

On Tue, 2021-04-20 at 16:55 +0300, Antonis Psaras wrote:
> Dear all
> 
> I am trying to create a service which will generate missed calls. In 
> order to be more accurate, I want to CANCEL the request when 180 is 
> received.
> 
> The scenario is the following
> 
> Asterisk Invite -> OpenSIPs -> Carrier
> 
> Carrier 183 -> OpenSIPs -> Asterisk
> 
> Carrier 180 -> OpenSIPs
> 
> OpenSIPs Cancel -> Carrier
> 
>  
> Is that possible to be done from script without external app?
>  
> Regards
>  
> _______________________________________________
> Users mailing list
> Users@lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users


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