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### Description i am setting **tos** core parameter to set TOS for sent IP messages but when they leave kamailio i dont the see IP TOS updated via wireshark.

(caller) 192.168.214.125:3030 <-----> (kamailio) 192.168.214.125:7070 <-----> (kamailio) 192.168.214.205:8080

<!-- Explain what you did, what you expected to happen, and what actually happened. -->

### Troubleshooting

#### Reproduction

``` children=3 listen=udp:192.168.214.125:7070 debug=0 tos=184 ```

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#### Debugging Data

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

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

#### Log Messages

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``` (paste your log messages here) ```

#### 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

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### Additional Information

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

``` 5.5.4 ```

* **Operating System**:

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