Customer service General Purpose Answer incoming calls from customers to take orders, answer inquiries and questions, handle complaints, troubleshoot problems, and provide information. Main Job Tasks, Duties, and Responsibilities answer calls and respond to emails handle customer inquiries both over the phone and by email research required information using available resources manage and resolve customer complaints Provide customers with product and service information enter new customer information into system update existing customer information lt process orders, forms, and applications identify and escalate priority issues route calls to appropriate resource follow up customer calls where necessary and document all call information according to standard operating procedures complete call logs produce call reports.