ETEcosmob Technologyinecosmobvoipexpert.hashnode.dev·Jul 17 · 8 min readAsterisk to FreeSWITCH Migration: A Complete Guide to a Zero-Downtime CutoverGrowing VoIP platforms often outgrow Asterisk's single-threaded, channel-bound design faster than expected. Engineering teams start noticing dropped calls during traffic spikes, mysterious thread lock00