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### Description I have kamailio.cfg file for configuration and Lua files for processing messages. What I observed is PHONUM module is not initialized during startup. And when using phonenum module it fails. I am invoking phonenum module in lua with "KSR.phonenum.match". This is in continuation to issue [1883](https://github.com/kamailio/kamailio/issues/1883), which i cannot reopen.Please check this and let me know any further logs required. <!-- Explain what you did, what you expected to happen, and what actually happened. -->

### Troubleshooting

#### Reproduction 1. cfg file only have configuration 2. Invoke phonemun module through KEMI "KSR.phonenum.match" in other file 3. Test to validate phonenum

<!-- If the issue can be reproduced, describe how it can be done. -->

#### Debugging Data

<!-- If you got a core dump, use gdb to extract troubleshooting data - full backtrace, local variables and the list of the code at the issue location.

gdb /path/to/kamailio /path/to/corefile bt full info locals list

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``` (paste your debugging data here) ```

#### Log Messages

<!-- Check the syslog file and if there are relevant log messages printed by Kamailio, add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site). -->

``` Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: app_lua [app_lua_sr.c:1655]: sr_kemi_lua_exec_func_ex(): param[0] for: isflagset is int: 1 Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: app_lua [app_lua_sr.c:1651]: sr_kemi_lua_exec_func_ex(): param[0] for: match is str: +919876543210 Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: app_lua [app_lua_sr.c:1651]: sr_kemi_lua_exec_func_ex(): param[1] for: match is str: src Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: phonenum [phonenum_pv.c:312]: phonenum_update_pv(): container not found: +919876543210 Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: app_lua [app_lua_sr.c:934]: lua_sr_pv_get_val(): pv get: $rc Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: [core/pvapi.c:371]: pv_cache_add(): pvar [$rc] added in cache Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: app_lua [app_lua_sr.c:934]: lua_sr_pv_get_val(): pv get: $phn(src=>valid) Aug 29 08:33:27 ip-10-130-74-105 /usr/local/sbin/kamailio[2157]: DEBUG: phonenum [phonenum_pv.c:162]: pv_parse_phonenum_name(): phonenum [src] - key [valid] ```

#### SIP Traffic

<!-- If the issue is exposed by processing specific SIP messages, grab them with ngrep or save in a pcap file, then add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site). -->

``` (paste your sip traffic here) ```

### Possible Solutions In kamailio.cfg if I add some dummy route(as below) then Phonenum module is initialized and it is working as expected. route[PHONENUM] { if($phn(src=>valid)==1) { xlog("dummy route\n"); } } <!-- If you found a solution or workaround for the issue, describe it. Ideally, provide a pull request with a fix. -->

### Additional Information

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

``` (paste your output here) ```

* **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`) -->

``` (paste your output here) ```