Answer, make calls, emails, or chats; use active listening to understand needs. Provide solutions, troubleshoot issues, de-escalate angry customers, and ensure satisfactory resolutions. Offer product/service details, process orders, take payments, upsell, and inform about terms. Log all interactions accurately in CRM software, update customer records, and report trends. Follow scripts, adhere to company policies, data security, and meet targets (KPIs) for call volume, resolution, etc..