Hi Duarte, you can find an example in the default config.

Mainly t_check_trans() is taking care of retransmissions, t_precheck_trans is handling more edge cases.


# handle retransmissions
if (!is_method("ACK")) {       
        if(t_precheck_trans()) {
                t_check_trans();
                exit;
        }
        t_check_trans();
}

On Tue, Apr 10, 2018 at 2:40 AM, Duarte Rocha <duarterocha91@gmail.com> wrote:
Greetings, 

How can i identify the first Invite received by Kamailio in a dialog. I'm checking for the To-Tag in order to identify the first one. However, if the UA retries the same INVITE (because of a timeout for example), it won't have To Tag and it won't be the first INVITE that i'm receiving in that dialog. 

Is there any flag or variable that i can use to identify the first Invite received?

Thanks in advance 

_______________________________________________
Kamailio (SER) - Users Mailing List
sr-users@lists.kamailio.org
https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users