i
ivanbrett

Ivan

@ivanbrett

VoIP, PBX, Linux Server and Network Support

Canada
English, German, French, Spanish
About me
Hi, I’m a VoIP and IT support specialist experienced in configuring, maintaining and troubleshooting business phone systems, Linux servers and networks. I work with Asterisk, FreePBX, 3CX, FusionPBX, SIP trunks, call routing, IVR, extensions, firewalls and cloud servers. I focus on secure, reliable solutions with clear communication and professional support... Read more

Skills

i
ivanbrett
Ivan
Offline • 

See my services

VoIP and Telephony
I will set up and troubleshoot voip, freepbx, asterisk, kamailio, 3cx and sip trunks
From$25 / projectMore details
VoIP and Telephony
I will install, configure and troubleshoot your vicidial call center
From$20 / projectMore details

Portfolio

Work experience

VoIP and Linux Support Specialist

VoIP Business • Self-employed

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.