Sergey Zyrianov is a Principal Engineer and Technical Lead for the Voice team at Cisco, where they focus on voice technology integration across various telecommunications networks. Previously, Sergey held senior software development roles at several companies, including Ericsson, LifeSize Communications, and Paradial, contributing significantly to H.323 and SIP technologies as well as cloud-based communication platforms. They have also taken on leadership responsibilities at Working Group Two, where they design and implement a scalable voice core for Telco networks. Sergey earned a Master’s degree in Computer Science from the National Research University of Electronic Technology in 1998.
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