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### Description I have been checking the reason why the cnxcc module doesn't work and I have seen that the problem is in the dialog module. Cnxcc uses dialog callback functions to obtain the data of the new dialogs. However there is a check that always gives incorrect and the creation of the new dialog is never executed. The check is this:

``` if((req->flags&dlg_flag_mask)!=dlg_flag_mask) return;

LM_DBG("dialog creation on config flag\n"); dlg_new_dialog(req, t, 1); dlg = dlg_get_ctx_dialog(); ``` <!-- Explain what you did, what you expected to happen, and what actually happened. -->

I don't know is this check is important and I don't know if this is the best solution but removing this check the cnxcc module works fine for me. ``` diff --git a/src/modules/dialog/dlg_handlers.c b/src/modules/dialog/dlg_handlers.c index 96406bde3..ddfdffc27 100644 --- a/src/modules/dialog/dlg_handlers.c +++ b/src/modules/dialog/dlg_handlers.c @@ -761,8 +761,6 @@ void dlg_onreq(struct cell* t, int type, struct tmcb_params *param) } } if (dlg==NULL) { - if((req->flags&dlg_flag_mask)!=dlg_flag_mask) - return; LM_DBG("dialog creation on config flag\n"); dlg_new_dialog(req, t, 1); dlg = dlg_get_ctx_dialog(); ```

### Additional Information

* **Kamailio Version** - output of `kamailio -v`

``` version: kamailio 5.3.0-dev1 (x86_64/linux) eb3fd4-dirty flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: eb3fd4 -dirty compiled on 14:06:31 Jan 2 2019 with gcc 6.3.0 ```

* **Operating System**:

<!-- Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...; Kernel details (output of `uname -a`) -->

``` Linux pepelux 3.16.0-4-amd64 #1 SMP Debian 3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux ```