I have 7 years in VOIP and ISP set up, installations and troubleshooting. I can install any type of VOIP phone and I can also troubleshoot. I can work with any hosted and onsite PBX. I have worked with Free PBX, My PBX, Cloud Call, Bicom. I can also install any internet router. I have worked with Mikrotiks, Tenda, ADSL routers, Cisco routers, LTE routers. I have also recently started working with Fortinet firewalls.