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Fiverr Pro
Nederlands
$
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VoIP, PBX, Linux Server and Network Support
Skills

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VoIP and Linux Support Specialist
VoIP Business • ZZP
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.