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JongChul L
@tonylim8009
Head of AI RD Center
Zuid-Korea
Koreaans
Over mij
I have spent about 30 years building telecom software, including network protocols, VoIP, IMS, and SIP systems. Currently, I lead the AI R&D Center at UANGEL, where I design carrier-grade systems that integrate LLMs and speech AI under strict telecom constraints. I specialize in voice AI, real-time communication, and cloud-native MLOps.
Skills
JongChul L
offline •
Bekijk mijn diensten
AI-integraties
I will design and build your sip and voip ai voice agent gateway
AI websites & software
I will build a webrtc call center to replace your pbx
Portfolio
Werkervaring
Independent Voice & AI Systems Architect
Self-Employed / Freelancer • Freelance
Jul 2025 - Present • 1 yr 3 mos
Designed and built 40+ MVPs in 12 months, design document first and code second: AI voice gateway, end-point detection module, macOS and Android SIP softphones, WebRTC voice contact center, agent control plane for LLM dialog flows, and on-prem knowledge search with Korean embeddings.
Head of AI R&D Center
UANGEL • Fulltime
Jul 2017 - Present • 9 yrs 3 mos
Lead a 16-person AI R&D center (AI Lab and AI Product team) at a telecom software company. Own architecture for real-time voice AI: SIP/RTP AI voice gateways, WebRTC contact-center platform, STT/TTS pipelines, and LLM agents with safety gates. Moved legacy telecom servers to cloud-native network functions (CNF) on Kubernetes.
