During the past month, Dzenis Zenichev focused on backend development for the kamailio/kamailio repository, addressing a critical bug in NG message handling. He implemented a fix in C that ensures correct to-tag usage when rtpp-flags are present, aligning the message parsing logic with the rtpengine-driven processing path. This adjustment improved stability and correctness by preventing misparsing across modules and operation types, directly impacting message routing reliability. Dzenis prepared the patch for review and integration testing, demonstrating strong debugging skills and attention to code quality. His work leveraged expertise in C programming and network protocols to resolve complex backend issues.