### Description

I am trying to configure some "default" settings in Kamailio that would be independent of the configuration file. The command-line options `--loadmodule` and `--modparam` seemed to be exactly what I was looking for.

However, I noticed that these options are processed **before** the configuration file is loaded. As a result, the `--modparam` option cannot be used separately, because the module for the specified parameter has not yet been loaded:

``` # kamailio -E -DD --modparam=corex:alias_subdomains:s:kamailio.org 0(653) ERROR: <core> [core/modparam.c:199]: set_mod_param_regex(): No module matching <corex> found 0(653) ERROR: <core> [main.c:2584]: main(): failed to set modparam: corex:alias_subdomains:s:kamailio.org

``` To address this, the module needs to be loaded first using the `--loadmodule` option. However, this causes an error if the same module is also loaded in the configuration file:

``` # kamailio -E -DD --loadmodule=corex --modparam=corex:alias_subdomains:s:kamailio.org 0(654) WARNING: <core> [core/sr_module.c:611]: ksr_load_module(): attempting to load the same module twice (/usr/lib/x86_64-linux-gnu/kamailio/modules/corex.so) 0(654) CRITICAL: <core> [core/cfg.y:4014]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 283, column 12-21: failed to load module ```

### Possible Solutions

Would it be possible to move the processing of these command-line options **after** the configuration file is loaded? And could the `--loadmodule` option ignore loading a module if it has already been loaded via the configuration file?

Another potential solution could be introducing new options, such as `--loadmodule-after` and `--modparam-after`, to specify parameters that should only be applied once the configuration file has been loaded.

What do you think about these suggestions?

### Additional Information

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

``` version: kamailio 5.8.4 (x86_64/linux) ```

* **Operating System**:

``` Linux 010a217cd09a 6.12.10-orbstack-00297-gf8f6e015b993 #42 SMP Sun Jan 19 03:00:07 UTC 2025 x86_64 GNU/Linux ```