[OpenSIPS-Users] Generate CANCEL on 180

[Bogdan-Andrei Iancu]

Hi Antonis,

What exactly does not work ? sending the CANCEL out? or the callee 
"refuses" to cancel and sends a 200 OK ?

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS Bootcamp 2021 online
   https://opensips.org/training/OpenSIPS_eBootcamp_2021/

On 4/20/21 11:13 PM, Antonis Psaras wrote:
> 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-bounces at lists.opensips.org> On Behalf Of Kingsley Tart
> Sent: Τρίτη, 20 Απριλίου 2021 20:10
> To: OpenSIPS users mailling list <users at 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 at lists.opensips.org
>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users