Worked on the kamailio/kamailio repository to enhance system response management by implementing improved logging for 3xx HTTP responses and refining SIP message pointer handling. Using C programming and network programming skills, addressed traceability and stability by tuning trace levels during 3xx response processing and integrating the ignore3xx configuration to minimize unnecessary log output. Added safeguards for invalid SIP pointers, reducing the risk of cascading errors and improving overall system resilience. Documented all changes and linked them to the relevant GitHub issue to support future maintenance, demonstrating a methodical approach to observability and robust SIP protocol handling within the codebase.