Hi Arsen, I know that such thing can be done through freeswitch , but I need to do it using Kamailio for specific reason. Regards, Ali Taher From: sr-users [mailto:sr-users-bounces@lists.kamailio.org] On Behalf Of Arsen Sent: Thursday, March 29, 2018 6:49 PM To: Kamailio (SER) - Users Mailing List &lt;sr-users(a)lists.kamailio.org&gt; Subject: Re: [SR-Users] 180 and 183 SIP messages Hi, It should be possible with freeswitch as well, google for freeswitch cause code substitution and you will see example. Regards, Arsen Semionov www.eurolan.info <http://www.eurolan.info> cell: +442035198881 On Thu, Mar 29, 2018 at 6:44 PM, Ali Taher &lt;ataher(a)vanrise.com <mailto:ataher@vanrise.com> > wrote: Hello everyone, I’m working on freeswitch , where I have SIP calls coming from A-Party to my freeswitch and I’m routing it to B-Party. I’m facing an issue , when I’m getting back the 183 message from the supplier(B-Party) and forwarding it to the customer(A-Party); the customer is not hearing the RBT and asking to send 180 rather than 183 . (the supplier is only sending 183 without 180). Is it possible using kamailio to replace this 183 message with 180 message , or even add 180 message while keeping the same 183 message ? Regards, Ali Taher _______________________________________________ Kamailio (SER) - Users Mailing List sr-users(a)lists.kamailio.org <mailto:sr-users@lists.kamailio.org> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

You can absolutely do it: https://kamailio.org/docs/modules/5.1.x/modules/textopsx.html#textopsx.f.ch… You can even remove the embedded SDP if desired, using the various textops functions: https://kamailio.org/docs/modules/5.1.x/modules/textops.html Whether you _should_ do this just because you _can_, on the other hand, is a question I would consider very carefully. On Thu, Mar 29, 2018 at 06:56:52PM +0300, Ali Taher wrote: -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/

Hello, As I understand now , append_hf function must be called from either REQUEST_ROUTE, ONREPLY_ROUTE, FAILURE_ROUTE or BRANCH_ROUTE. I'm not sure if this what I need in my case , where I want to insert a new header to the INVITE packet then forward it . Any help would be appreciated. Regards, Ali Taher -----Original Message----- From: Ali Taher [mailto:ataher@vanrise.com] Sent: Friday, March 30, 2018 10:02 AM To: 'Kamailio (SER) - Users Mailing List' &lt;sr-users(a)lists.kamailio.org&gt; Cc: 'Ali Taher~Vanrise Technical Support' &lt;ataher(a)vanrise.com&gt; Subject: RE: [SR-Users] 180 and 183 SIP messages Thank you Alex for your response. So if I want to add a header to the INVITE packet , and also detect if the message is 183 and then change it to 180 then forward it back , does is do the job : route{ if (is_method("INVITE")) { append_hf("Test: this is a test"); } forward(127.0.0.1,5060); } reply_route { if (status == "183") { change_reply_status(180, "Ringing"); exit; } } Regards, Ali Taher -----Original Message----- From: sr-users [mailto:sr-users-bounces@lists.kamailio.org] On Behalf Of Alex Balashov Sent: Thursday, March 29, 2018 9:02 PM To: Kamailio (SER) - Users Mailing List &lt;sr-users(a)lists.kamailio.org&gt; Subject: Re: [SR-Users] 180 and 183 SIP messages You can absolutely do it: https://kamailio.org/docs/modules/5.1.x/modules/textopsx.html#textopsx.f.ch… You can even remove the embedded SDP if desired, using the various textops functions: https://kamailio.org/docs/modules/5.1.x/modules/textops.html Whether you _should_ do this just because you _can_, on the other hand, is a question I would consider very carefully. On Thu, Mar 29, 2018 at 06:56:52PM +0300, Ali Taher wrote: -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ _______________________________________________ Kamailio (SER) - Users Mailing List sr-users(a)lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users