No. there is no reply. Just ignored.
Antonis Psaras / Managing Director -----Original Message----- From: Bogdan-Andrei Iancu <bog...@opensips.org> Sent: Τετάρτη, 21 Απριλίου 2021 13:20 To: apsa...@microbase.gr; 'OpenSIPS users mailling list' <users@lists.opensips.org> Subject: Re: [OpenSIPS-Users] Generate CANCEL on 180 So there is a race between the CANCEL you send and the incoming 200 OK, right ? And does the carrier even reply to that CANCEL? the RFC3261 says it is a must to provide a reply to any incoming request. 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 4/21/21 12:46 PM, Antonis Psaras wrote: > Hello Bogdan > > The flow is the following > > INVITE > Trying (instantly) > (after 2sec) > 183 > (after 3sec) > 180 > (here I do the process but during that I receive) > 200 (instantly) > (here the CANCEL is sent) > CANCEL > > And the call is keep going, hence the CANCEL was ignored by the carrier by > the carrier because the call was answered. > > Regards > > > Antonis Psaras > > -----Original Message----- > From: Bogdan-Andrei Iancu <bog...@opensips.org> > Sent: Τετάρτη, 21 Απριλίου 2021 12:32 > To: apsa...@microbase.gr; OpenSIPS users mailling list > <users@lists.opensips.org> > Subject: Re: [OpenSIPS-Users] Generate CANCEL on 180 > > 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-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 >> _______________________________________________ >> Users mailing list >> Users@lists.opensips.org >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users >> >> >> _______________________________________________ >> Users mailing list >> Users@lists.opensips.org >> http://lists.opensips.org/cgi-bin/mailman/listinfo/users > _______________________________________________ Users mailing list Users@lists.opensips.org http://lists.opensips.org/cgi-bin/mailman/listinfo/users