Call Centre Agent, Randburg, Johannesburg. Company Name: DNR Assist. Job Type: Contract. DNR Assist is assistance & call center, established in 2005. We Specialize in Top Quality call center services – solutions, With a reliable call center analytics and reporting, workforce management, call accounting tools, and Answering Inbound calls, Handling customer complaints, Following up on customer calls, Updating Customer Collecting and reporting feedback, Training new onboard agents, Dispatching technician/driver according to the