Worked on the kamailio/kamailio repository to upgrade the RTP engine’s default hash algorithm, focusing on improving routing determinism and performance. Replaced the legacy hash option with CRC32, ensuring backward compatibility by defaulting to the new algorithm, and updated documentation to clarify available hashing options for node selection. The work involved targeted code cleanup, including removal of trailing whitespace in rtpengine.c, which enhanced code quality and maintainability. Leveraged C programming, network programming, and system programming skills to implement these changes through two commits, ultimately reducing technical debt and simplifying future maintenance for the RTP engine’s hashing mechanism.