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VoIP, PBX, Linux Server and Network Support
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VoIP and Linux Support Specialist
VoIP Business • Indépendant
Feb 2019 - Sep 2026 • 7 yrs 7 mos
I install, configure and troubleshoot VoIP phone systems, SIP trunks, PBX servers, call centers and Linux infrastructure. My work includes extensions, IVR, call queues, DID routing, voicemail, call recording, NAT, firewall rules, TLS, RTP, one-way audio and registration troubleshooting.