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Sep 1, 2022 · Backend Development
Design and Evolution of a Smart Outbound Calling Platform Based on Freeswitch VoIP
This article explains how the smart outbound calling platform was conceived, compares VoIP platforms, introduces Freeswitch architecture and development modes, details SIP call flows and configuration, and describes the progressive evolution from a single‑instance deployment to a load‑balanced, hub‑and‑spoke architecture for high‑concurrency, multi‑tenant call‑center services.
Backend DevelopmentFreeSWITCHOutbound Calling
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