A call center agent's primary role is to handle incoming and outgoing customer communications, which includes answering inquiries, providing information on products and services, resolving complaints, and processing orders. Key responsibilities involve using active listening to understand customer needs, de-escalating issues, troubleshooting problems, and maintaining accurate records of customer interactions. Agents often use phone, email, or chat, and must follow company policies, meet performance metrics, and sometimes assist with sales or market research.