Required Technical: VOIP, Unified Communications, SIP, RTP, TCP/IP, DNS, DHCP, VLANs, QoS, routing, switching, SIP trunking, carrier provisioning, VOIP troubleshooting, Teams Phone, ticketing. Required Skills: VOIP troubleshooting, customer service, technical communication, problem-solving, documentation, ticket management, prioritization, ability to work independently in an MSP environment.