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Over mij
VoIP engineer specializing in Asterisk, FreePBX,Vicidial ,Ringcentral ,3CX ,Magnus Billing ,Bitrix24 ,and Grandstream UCM. I set up, fix, and optimize business phone systems, including SIP trunks, IVRs, call queues, and call quality troubleshooting. Fast, reliable, and well documented.... Lees meer