2. Call center is a service organization composed of a group of service personnel in a relatively concentrated place. It usually uses computer communication technology to deal with inquiries and consulting needs from enterprises and customers. Take telephone consultation as an example, it has the ability to handle a large number of incoming calls at the same time, and also has the display of incoming calls, which can automatically assign incoming calls to people with corresponding skills for processing, and can record and store all incoming call information. A typical customer-oriented call center can have both incoming and outgoing calls. When dealing with customers' information inquiry, consultation, complaints and other services, we can also conduct customer return visits, satisfaction surveys and other outbound services.