# &faqguide;

What happend with use_tight_match parameter?

The parameter was removed with version 1.3 as the option of tight matching became mandatory and not configurable. Now, the tight matching is done all the time (when using DID matching).

Why is there a dialog_ng module and a dialog module?

The dialog_ng module addresses shortcomings in the intial dialog module design. It makes some large changes to the API and therefore must be introduced slowly. It is currently in the early development stages. Eventually the dialog_ng module should replace the dialog module.

Where can I find more about &kamailio;?

Take a look at &kamailiohomelink;.

Where can I post a question about this module?

First at all check if your question was already answered on one of our mailing lists:

- User Mailing List - &kamailiouserslink;

- Developer Mailing List - &kamailiodevlink;

E-mails regarding any stable &kamailio; release should be sent to &kamailiousersmail; and e-mails regarding development versions should be sent to &kamailiodevmail;.

If you want to keep the mail private, send it to &kamailiohelpmail;.

How can I report a bug?

Please follow the guidelines provided at: &kamailiobugslink;.