Snippets of my cfg and logs are below. The con_reuse flag is checked in tcp_send at tcp_main.c:1846
Regards,
Hugh
route[RELAY] {
xlog("L_INFO", "$rm: route[RELAY]\n");
loose_route();
$var(lr_ret) = $rc;
if ($var(lr_ret) == 2) {
xlog("L_INFO", "$rm: loose route with outbound\n");
t_on_failure("FAIL_OUTBOUND");
set_forward_no_connect();
if (t_relay() < 0) {
xlog("L_WARN", "$rm: loose route with outbound failed\n");
sl_send_reply("500", "Something bad happened");
}
exit;
}
. . .
}
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: INVITE: Routing logic starts here
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: INVITE: route[REQINIT]
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: INVITE: route[INITIAL_REQUEST]
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: INVITE: route[RECORD_ROUTE]
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: INVITE: route[RELAY]
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: INVITE: loose route with outbound
May 1 17:01:08 kamailio-cep[28226]: ERROR: tm [../../forward.h:219]: msg_send(): msg_send: ERROR: tcp_send failed
May 1 17:01:08 kamailio-cep[28226]: ERROR: tm [t_fwd.c:1609]: t_send_branch(): ERROR: t_send_branch: sending request on branch 0 failed
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: ACK: Routing logic starts here
May 1 17:01:08 kamailio-cep[28226]: INFO: <script>: ACK: route[REQINIT]