Sourabh Rathor is a Principal Architect at Persistent Systems with 16+ years of experience building media‑centric platforms across OTT, UCaaS, CCaaS, and real‑time communications. He specializes in media processing and streaming architectures, RTP/RTCP‑based low‑latency pipelines, WebRTC and SIP signaling, video/audio codecs (H.264/H.265, VP8/VP9), and cloud‑native media services, driving GenAI‑enabled contact center and video collaboration transformations at scale.