Hello Everyone, Based on trace message generated by t_relay(); Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: <core> [core/ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection: client_public_ip Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: <core> [core/tcp_main.c:985]: tcpconn_new(): on port 48525, type 2 Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: <core> [core/tcp_main.c:1291]: tcpconn_add(): hashes: 2787:0:0, 5 Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: <core> [core/tcp_main.c:2610]: tcpconn_1st_send(): pending write on new connection 0x7f4d5275de70 (-1/1199 bytes written) Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: tm [t_funcs.c:368]: t_relay_to(): SER: new transaction fwd'ed Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=234 a=16 n=if Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=211 a=55 n=force_rport Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=225 a=16 n=if Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=212 a=32 n=is_ip_rfc1918 Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=224 a=5 n=route Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[WITHINDLG] c=[/etc/kamailio/kamailio.cfg] l=278 a=16 n=if Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[WITHINDLG] c=[/etc/kamailio/kamailio.cfg] l=238 a=24 n=has_totag Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: siputils [checks.c:120]: has_totag(): no totag Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=232 a=16 n=if Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=227 a=32 n=is_ip_rfc1918 Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=230 a=24 n=t_relay Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: tm [t_lookup.c:1301]: t_newtran(): msg id=17 , global msg id=17 , T on entrance=0x7f4d5274d210 Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: tm [t_lookup.c:1306]: t_newtran(): transaction already in process 0x7f4d5274d210 Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: tm [t_fwd.c:1723]: t_forward_nonack(): no branches for forwarding Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: tm [t_funcs.c:331]: t_relay_to(): t_forward_nonack returned error -1 (-6) Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: tm [t_funcs.c:348]: t_relay_to(): -6 error reply generation delayed Apr 21 00:57:37 cavprx00 kamailio: 2(4104) ERROR: *** cfgtrace:request_route=[DEFAULT_ROUTE] c=[/etc/kamailio/kamailio.cfg] l=231 a=2 n=exit Apr 21 00:57:37 cavprx00 kamailio: 2(4104) DEBUG: <core> [core/receive.c:275]: receive_msg(): request-route executed in: 449 usec Slava On Fri, 21 Apr, 2017 at 6:23 AM, Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; wrote: > Hello, On 21.04.17 06:54, Slava Bendersky wrote: > > Hello Everyone, What possible cause for messsage > /usr/sbin/kamailio[4037]: ERROR: tm [t_fwd.c:1723]: > t_forward_nonack(): no branches for forwarding > > are you trying to re-route to new destinations using a failure_route? > Cheers, Daniel > -- > Daniel-Constantin Mierla www.twitter.com/miconda > <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda > <http://www.linkedin.com/in/miconda> Kamailio Advanced Training - May > 22-24 (USA) - www.asipto.com <http://www.asipto.com> Kamailio World > Conference - May 8-10, 2017 - www.kamailioworld.com > <http://www.kamailioworld.com> > _______________________________________________ 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