Thank you for your reply, i have attached somewhat anonymised logs. If you need anything else, let me know!
[topos-track_cseq_updates.txt](https://github.com/kamailio/kamailio/files/853241/topos-track_cseq_updates.t...) [topos-track_cseq_updates-outgoing-sip.txt](https://github.com/kamailio/kamailio/files/853242/topos-track_cseq_updates-o...)